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FIGURE 9 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 9. Micrographs of Chaemaedrilus baekrokdamensis sp. n. A. Sperm funnel (white arrow) and male copulatory organ (black arrow), lateral view. B. Sperm funnel (arrow). C, D. Pharyngeal glands and spermathecae (p=primary lobes of pharyngeal glands, sp=secondary lobes of pharyngeal glands, arrows: spermathecae). E. Spermathecae (arrows). F. Spermathecae (black arrow: fused ectal glands; asterisk: widening of ectal ducts; white arrows: ampullae). G. Distal part of ectal ducts (white arrows: canal; long black arrow: mass of fused glands, short black arrow: smaller glands at the opening). E fixed, stained, all other in vivo. Scale bars A–F 50 µm; G 20 µm.

FIGURE 4 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 4. Micrographs of Achaeta macroampullacea sp. n. A, B. Coelomocytes (marked with arrows). C–E. Sperm funnels (marked with arrows, E from holotype). F. Penial bulbs (marked with arrows). G. Spermatheca (black arrow: seminal chamber; white arrow: ental duct; a=ental reservoirs of two ampullae in VII). H. Ental reservoirs of two ampullae at both sides of the intestine in VII (marked with arrows). A–D, G–H in vivo, E, F fixed, stained. Scale bars A–C, E–H 50 µm; D 20 µm.

FIGURE 12 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 12. Mesenchytraeus jungsaihoi sp. n. (A, B), Xetadrilus aphanoides sp. n. (C) and Xetadrilus jejuensis sp. n. (D). A. Spermatheca. B. Atrium with large atrial glands (a=atrium, long arrow: penial glands; short arrows: accessory copulatory glands). C, D. Spermathecae. Scale bars A, B 100 µm; C, D 50 µm.

FIGURE 11 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 11. Micrographs of Enchytronia seongpanakiensis sp. n. A. Origin of dorsal vessel in XII. B. Anterior bifurcation of dorsal vessel in peristomium, blood light red. C. Anterior bifurcation of dorsal vessel in peristomium with a short branch oriented forward (arrow). D. Ventral nerve cord (pericaria continuous, between segmental ganglia marked with arrows). E. Clitellum ventrally, midventrally without glands (arrows: male copulatory organs). F–H. Sperm funnels (arrows). I, K. Ventral glandulose vesicles. J. Spermathecae (marked with arrows). A–C, G, H, I, K in vivo, D–F, H, J fixed, stained. Scale bars A–E, G–I, K 50 µm; F, J 20 µm. D–E, H, J from holotype.

FIGURE 6 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 6. Micrographs of Bryodrilus hallasanensis sp. n. A. Conspicuous epidermal glands, dorsal view. B. Clitellar glands, dorsal view. C–D. Brain (marked with arrow, in C the anterior bifurcation of dorsal blood vessel in peristomium also visible). E. Intestinal widening in VII–VIII (arrows). F. First three preclitellar nephridia at 6/7– 8/9 (arrows, ch=chloragogen cells, dv=dorsal vessel). G. Postclitellar nephridia at 13/14 (arrow). H. Pharyngeal glands V, VI and oesophageal appendages (in VI, marked with arrows). A–C, E–H in vivo, D fixed, stained. Scale bars 50 µm.

FIGURE 10 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 10. Micrographs of Enchytronia seongpanakiensis sp. n. A–B. Brain. C. Head region (lateral view, head pore marked with black arrow, prostomial recess marked with white arrow, b=brain). D. Preclitellar nephridia in a juvenile specimen. E. Nephridia terminally in a juvenile specimen. F, G. Coelomocytes (F lateral view, G view from above). H. Chaetae terminally. I, J. Pharyngeal glands (ph1–ph3, black arrows: spermathecae; white arrows: postpharyngeal bulbs). K. Clitellum, dorsal view, glands absent dorsally. L. Clitellar glands, lateral view (arrows: hyaline gland cells; e=egg). A, D–I in vivo, D–C, J–L fixed, stained. Scale bars 50 µm. B, J from holotype.

FIGURE 3 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 3. Micrographs of Achaeta macroampullacea sp. n. A, B. Brain. C. Pharyngeal glands lateral view (ph1–3=three pharyngeal glands, ectal part of spermatheca marked with white arrow, a=ental reservoir of ampulla, large ventral lobe of first pharyngeal gland marked with black arrow). D. Pharyngeal glands lateral view (white arrow: oesophageal appendage;; black arrows: two ental reservoirs of ampullae in VI and VII). E. Thick cuticle terminally, lateral view. F. Nephridia in 7/8 (arrow). G. Clitellar glands, dorso-lateral view (arrow: male opening; asterisk: dorsal gap). H. Clitellar glands, lateral view (arrows: male openings). I. Midgut pars tumida in XVIII–XX in a juvenile specimen (arrow). J. Midgut pars tumida in XV–XVI (marked with arrows). A, C, F–I in vivo, B, D–E, J fixed, stained. Scale bars 50 µm.

FIGURE 7 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 7. Micrographs of Bryodrilus hallasanensis sp. n. A, B. Oesophageal appendages (marked with arrows, p=pharyngeal glands). C, D. Coelomocytes. E, F. Sperm funnels (marked with arrows). G. Clitellum, ventral view and male copulatory organs (marked with arrows). H, I. Male copulatory organs from above and lateral view. J. Spermathecae (marked with arrows). All micrographs in vivo. Scale bars A, B, H–I 20 µm; C–G, J 50 µm.

FIGURE 2 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 2. Micrographs of Achaeta koreana sp. n. A. Pharyngeal glands, lateral view (marked with arrows, o= oesophageal appendage, dv= dorsal vessel, n=first nephridium). B. Midgut pars tumida XIII–XV. C. Coelomocytes. D. First nephridium. E. Nephridium terminally. F–G. Sperm funnels. H. Clitellar glands, lateral view (arrow: male opening). I. Male opening with small surrounding glands (arrow). J–L. Spermathecae (arrow in L: ectal gland). M. Spermathecal ectal gland (marked with arrow). A–G, I–M in vivo, H fixed, stained. Scale bars A–H, J–L 50 µm; I, M 20 µm.

FIGURE 1 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 1. Micrographs of Achaeta koreana sp. n. A. Thick cuticle terminally dorsally thicker (white arrow) than ventrally (black arrow). B. Clitellar glands, dorsal view (interruption marked with arrow). C. Clitellar glands, lateral view (arrows: hyaline glands). D. Entire individual (head marked with arrow). E. Clitellar glands, lateral view. F–G. Head (white arrows: head pore; black arrows: prostomial ganglia; b=brain, ph=pharynx). A–E, G in vivo, F fixed, stained. Scale bars A–D, F, G 50 µm; E 20 µm).

FIGURE 5 in New enchytraeid species from Mount Hallasan (Jeju Island, Korea) (Enchytraeidae, Oligochaeta)

FIGURE 5. Achaeta koreana sp. n. (A–C), Achaeta macroampullacea sp. n. (D–E), Bryodrilus hallasanensis sp. n. (F), Enchytronia seongpanakiensis sp. n. (G) and Chaemaedrilus baekrokdamensis sp. n. (H) A. Pharyngeal glands (dv=dorsal vessel, oesophageal appendages marked with arrows). B. Spermatheca. C. Sperm funnel. D. Male copulatory organ and granulocytes at ventral border of clitellum, E-H. Spermathecae. Scale bars 50 µm.

FIGURE 5 in Two new species of the Genus Clathria (Demospongiae: Poecilosclerida: Microcionidae) from Jeju Island, Korea

FIGURE 5. Clathria (Clathria) ieoensis sp. nov.: (A) Image of the holotype specimen, (B) Ectosomal skeleton, (C-D) Choanosomal skeleton, (E) a. Large style, b. Small style, (F) Head of style, (G) Large acanthostyle, (H) Small acanthostyle.

FIGURE 4 in Two new species of the Genus Clathria (Demospongiae: Poecilosclerida: Microcionidae) from Jeju Island, Korea

FIGURE 4. Clathria (Clathria) ramus sp. nov.: (A) Middle toxa, (B) Toxa; a. middle, b. small, (C) Side view of palmate isochela, (D) Front view of palmate isochela.

FIGURE 6 in Two new species of the Genus Clathria (Demospongiae: Poecilosclerida: Microcionidae) from Jeju Island, Korea

FIGURE 6. Clathria (Clathria) ieoensis sp. nov.: (A) Thin style, (B) Head of thin style, (C) Front view of palmate isochela, (D) Side view of palmate isochela, (E) Large toxa, (F) Small toxa, (G) End of toxa, (H) Accolada toxa.

FIGURE 3 in Two new species of the Genus Clathria (Demospongiae: Poecilosclerida: Microcionidae) from Jeju Island, Korea

FIGURE 3. Clathria (Clathria) ramus sp. nov.: (A) Thin style, (B) Head of thin style, (C) Acanthostyle, (D) Head of acanthostyle, (E, G) Large toxa, (F, H) End of large toxa.

FIGURE 1 in Two new species of the Genus Clathria (Demospongiae: Poecilosclerida: Microcionidae) from Jeju Island, Korea

FIGURE 1. Map showing location of specimen collection sites(■. Seogwipo,*. Ieodo Ocean Research Station).

FIGURE 1 in The Origin of New Natural hybrid, Goodyera maximo-velutina (Orchidaceae) from Jeju Island, Korea

FIGURE 1. The morphological comparison of Goodyera × maximo-velutina and their putative parental taxa. The habitus images from type locality (A, D, G), photographic images of ovary (B, E, H) and leaf venation (C, F, I). G. × maximo-velutina (A–C), G. maximowicziana (D–F), G. velutina (G–I).

FIGURE 2 in The Origin of New Natural hybrid, Goodyera maximo-velutina (Orchidaceae) from Jeju Island, Korea

FIGURE 2. Phylogenetic tree obtained by Bayesian phylogenetic inference of ITS region. Numbers above branches represent posterior probabilities.

FIGURE 5. G in The Origin of New Natural hybrid, Goodyera maximo-velutina (Orchidaceae) from Jeju Island, Korea

FIGURE 5. G. × maximo-velutina N.S. Lee & J.H. So A. Lateral sepal B. Dorsal sepal C. Lateral petal D. Lateral view of flower E. Bract F. Lateral and Face view of lip G. Face view of flower H. Habit.

FIGURE 4 in The Origin of New Natural hybrid, Goodyera maximo-velutina (Orchidaceae) from Jeju Island, Korea

FIGURE 4. Phylogenetic tree obtained by Bayesian phylogenetic inference of the combined three cpDNA regions. Numbers above branches represent posterior probabilities.