llV PLACOSTYLUS. 



v. bovinus Brug., xiii, 42. P. falcicula Gass., xiii, 46. 



v. bairdii Rve., xiii, 42. P. ouveanus' Dotz,' Mss., xiii, 47, 



v. peculiaris Kob., xiii, 42. sinistrorsus and scalaris Crosse, 



v. leucolenus Cr., xiii, 42. aesopeus Gass. 



v. danieli Cr., xiii, 43. v. lif'ouanus Cr., xiii, 48. 



v. knoblauchi Kob., xiii, 43. v. albus Cr., xiii, 48. 



v. insignis Pet., xiii, 43. P. souvillei Morel,, xiii, 48. 



v. ouensis Gass., xiii, 43. eximeus Alb. 



v. imbricatus Gass., xiii, 44. P. lamberti Gass., xiii, 49. 



v. lalannei Gass., xiii, 44. P. boulariensis Sowb,, xiii, 50. 



v. grammicus Cr., xiii, 44. P. guestieri Gass,, xiii, 51. 



v. crassus 4 Lay.' Kob., xiii, 45. v. galopensis Cr., xiii, 51. 



aurismidse Rve. v. confusus Pils., xiii, 52. 



v. ventricosus Kob., xiii, 45. cicatricosus Kob. 



v. ovalis Kob., xiii, 45. v. orientalis Kob,, xiii, 52. 



v. ovata Cr., xiii, 45. v. rhinocheti Kob,, xiii, 52, 



v. edwardsianus Gass., xiii, 45. P. senilis Gass., xiii, 53. 

 v. strigatus Pils., xiii, 46. v. minor Kob., xiii, 53. 



v. mareanus Cr., xiii, 46. v. subsenilis Gass., xiii, 53. 



turrita Kob. P. buccalis Gass,, xiii, 53. 



gareana Pfr.-Cless. P. goroensis Souv,, xiii, 54. 

 P. arenosus Gass., xiii, 46. 



Group of P. porphyrostomus, 



P. submariei Souv., xiii, 55. P. poyensis Kob,, xiii, 61. 



v. abbreviata Souv. v. goyettensis Cr., xiii, 62. 



P. mariei C. & F., xiii, 55. P. pseudocaledonicus Montr., xiii, 



v. simplex Cr.; v. curtus, Gass. 62. 



P. neckliaiensis Kob., xiii, 56. Forms intermedius Cr., subu- 



P. porphyrostomus Pfr., xiii, 57. latus Cr. {mgra Gass.), 



lessoni Pet. dentatus Gass., palus Gass., 



auris-bovina Rve. rufus Gass,, incertus Cr., hy- 



v. singularis Morel., xiii, 58. bridus Kob., pouenanus Kob, 



v. debeauxi Gass., xiii, 58. v. chrysochilus Cr., xiii, 64. 



v. umbilicatus Kob., xiii, 236. gaudryamtsGass. 



P. monakensis Cr., xiii, 58. v. annibal Souv., xiii, 64. 



dautzenbergi Marie. v. saxtoni Kob., xiii, 65. 



P. duplex Gass., xiii, 59. P. scarabus Alb., xiii, 65. 



v. major Gass. v. tanouensis Cr., xiii, 66. 



P. caledonicus Pet., xiii, 60. v. smithii Kob., xiii, 66. 



v. edentulus Braz., xiii, 61. v s . goulvainensis Kob., xiii, 67, 



