INDEX 



(New genera and species, and the pages on which they are described, are in 

 black-face type; synonyms in parenthesis.) 



Acanthephyra curtirostris 8, 27 

 Acantholithodes hispidus 13, 163 

 Achelia 254, (262) 

 JEga alaskensis (214) 



belliceps (214) 



harfordi (213) 

 Alcinous 263 



Allorchestes ochotensis 233-234, fig. 118 

 Alphseus spinus (63) 

 Alpheopsis trispinosus 108 

 Alpheus aculeatus (61) 



barbara 10, 108 



bellimanus 10, 108 



californiensis 10, 108 



clamator (108) 



dentipes 10, 108 



equidactylus 10, 108 



macrocheles 108 



polaris (73) 

 Ammothea 254, 262-263, (273) 



alaskensis 251, 252, 258, 265, 266- 

 268; PL. xii, fig. 4; PL. xvn, figs. 

 4-12 



appendiculata 273 



bi-unguiculata 273 



borealis 263 



gracilipes 251,258,269-270; PL. xn, 

 fig. 5 ; PL. xvin, figs. 1-6 



latifrons 251, 252, 258, 263-266 ; PL. 

 xi, fig. 3; PL. xvi, figs. 1-9; PL. 

 xvn, figs. 1-3 



longicaudata 250, 251, 263 



pribilofensis 251,258,270-273; PL. 

 xii, fig. 6; PL. xvni, figs. 7, 8; PL. 

 xix, figs. 1-8 



rugulosa 273 



uni-unguiculata 273 

 Ammothella 273 



Ammothella spinif era 251, 258, 275-277 ; 

 PL. Xii, fig. 8; PL. xx, figs. 7-9; 



PL. XXI, figs. 1-6 



tuberculata 251, 258, 273-275; PL. 



XII, fig. 7; PL. XX, figs. 1-6 

 Amphipods 231-246, figs. 118-128 

 Amphithoe humeralis 241 

 Amphithopsis glaber (238) 

 Anasimus rostratus 15, 171; PL. X, fig. 4 

 Anchista tenuipes (34) 

 Anoplodactylus 288 



aculeatus 288 



erectus 251, 259, 289-291 ; PL. xiv, 

 fig. 12; PL. xxvi, figs. 1-9 



gestiens 288 



petiolatus 291 



plumularioe 288 



spinosus 288 



tubiferus 288 

 Argis lar (137) 

 Asellus entomon (216) 



tomalensis 213, 224-226, figs. 110-112 

 Astacus grcenlandicus (61) 

 Axius spinulicauda 12, 149-150, fig. 90 



Benthesicymus tanneri 12, 147 

 Betseus harfordi n, 108 



harriinani 11, 108-110, fig. 49 



longidactylus II, 108 

 Bibliography, Isopods 228-230 



Pycnogonids 294-298 

 Blepharipoda occidentalis 14, 167 

 Brachynotus nudus (189) 



oregonensis (189) 



Calastaceus investigatoris 12, 150, 151 



key to species 150 

 Callianassa afnnis 12, 154 



(330 



