On following pages: 35. Stiff-spined Spiny-rat (Proechimys echinothrix); 36. Tomes''s Spiny-rat (Proechimys semispinosus); 37. O'Connell's Spiny-rat (Proechimys oconnelli); 38. Napo Spiny-rat (Proechimys quadruplicatus); 39. Steere's Spiny-rat (Proechimys steerei); 40. Goeldi's Spiny-rat (Proechimys goeldii); 41. Guyenne Spiny-rat (Proechimys guyannensis); 42. Robert's Spiny-rat (Proechimys robert); 43. Patton's Spiny-rat (Proechimys pattoni); 44. Kulina Spiny-rat (Proechimys kulinae); 45. Gardner's Spiny-rat (Proechimys gardneri); 46. Boyaca Spiny-rat (Proechimys chrysaeolus); 47. Minca Spiny-rat (Proechimys mincae); 48. Guaira Spiny-rat (Proechimys guairae); 49. Trinidad Spiny-rat (Proechimys trinitatis); 50. Guianan Spiny-rat (Proechimys hoplomyoides); 51. Short-tailed Spiny-rat (Proechimys brevicauda); 52. Long-tailed Spiny-rat (Proechimys longicaudatus); 53. Cuvier's in Echimyidae

On following pages: 35. Stiff-spined Spiny-rat (Proechimys echinothrix); 36. Tomes''s Spiny-rat (Proechimys semispinosus); 37. O'Connell's Spiny-rat (Proechimys oconnelli); 38. Napo Spiny-rat (Proechimys quadruplicatus); 39. Steere's Spiny-rat (Proechimys steerei); 40. Goeldi's Spiny-rat (Proechimys goeldii); 41. Guyenne Spiny-rat (Proechimys guyannensis); 42. Robert's Spiny-rat (Proechimys robert); 43. Patton's Spiny-rat (Proechimys pattoni); 44. Kulina Spiny-rat (Proechimys kulinae); 45. Gardner's Spiny-rat (Proechimys gardneri); 46. Boyaca Spiny-rat (Proechimys chrysaeolus); 47. Minca Spiny-rat (Proechimys mincae); 48. Guaira Spiny-rat (Proechimys guairae); 49. Trinidad Spiny-rat (Proechimys trinitatis); 50. Guianan Spiny-rat (Proechimys hoplomyoides); 51. Short-tailed Spiny-rat (Proechimys brevicauda); 52. Long-tailed Spiny-rat (Proechimys longicaudatus); 53. Cuvier's