xxii LIST OF ILLUSTRATIONS 



Face page 



Fig. 54. Parapylocheles scorpio^ Alcock ; from 405 fathoms ; a 



symmetrical Hermit-crab ..... 262 



Fig. 55. Ptenoplax notopus^ Alcock and Anderson ; from 100-250 



fathoms ....... 252 



Fig. 56. Plastocrangon ccEca^ Wood-Mason ; from 561 fathoms . 262 



Fig. 57. Galacantha investigatoris^ Alcock and Anderson ; from 1200 



fathoms . . . . . . . 258 



Fig. 58. Munidopsis tricena^ Alcock and Anderson ; from 375 



fathoms ........ 258 



Fig. 59. Nephropsis carpenteri^ Wood-Mason ; from 193 fathoms . 256 



Fig. 60. Pentacheles hextii^ Alcock ; from 188-220 fathoms . . 264 



Fig. 61. Encephaloides armstrongi^ Wood-Mason ; from 100 fathoms 266 



Fig. 62. Antennule of the male of Parape7teus rectacutus^ Spence 



Bate ; showing the crook-like outer lash . . . 268 



Fig. 63. AristcEUs crassipes^ Wood-Mason ; showing the prehensile 



tip of the external maxiUipeds of the male . . . 268 



Fig. 64. Aristceus crassipes, Wood-Mason ; to show the differences 



between the sexes ...... 268 



Fig. 65. Py/^'^'/^^/^j' ;^Z(?ri'//, Alcock and Anderson ; from the Andaman 



Sea, 185 fathoms ; a symmetrical Hermit-crab . . 272 



Fig. 66. Ico7iaxiopsis a7tdamanensis, Alcock ; from 238-290 fathoms . 266 



Fig. 67. Parapagurus pilosimaniis^ A. Milne Edwards, with com- 

 mensal zoophytes ...... 274 



Fig. 68. Paralomis zndica, Alcock and Anderson ; from off the 



Travancore coast, 430 fathoms .... 276 



Fig. 69. Lyreidus channeri, Wood- Mason ; the Indian deep-sea 



Frog-crab ....... 274 



Fig. 70. Rostellaria delicatula^ Nevill ; from the Bay of Bengal, 100 



fathoms ....... 278 



Fig. 71. Xenophora pallidula^ Reeve; a Japanese species, also 



found in the depths of the Andaman Sea . . . 278 



Fig. 72. Astralium bathyraphe^ E. A. Smith ; from off the Maldives, 



210 fathoms; somewhat enlarged .... 279 



Fig. 73. Dentalium magnificum, E. A. Smith ; from 600-800 



fathoms ....... 279 



Fig. 74. Taonius abyssicola^l£..S. GoodiXioh. from 902-1370 fathoms . 279 



