FIGURE 4 in Five new deep-sea species of nudibranchs (Gastropoda: Heterobranchia: Cladobranchia) from the Northeast Pacific

FIGURE 4. Drawings of the internal anatomy of the holotype of Tritonia nigritigris sp. nov. (LACM 3553). A. General view of the internal anatomy. B. Reproductive system. Abbreviations: am, ampulla; bb, buccal bulb; bc, bursa copulatrix; cns, central nervous system; dd, deferent duct; dg, digestive gland; es, esophagus; fgc, female gland complex; ht, heart; i, intestine; pe, penis; pr, prostate; rs, reproductive system; sg, salivary gland; sr, seminal receptacle; vg, vagina.