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 

 Alphasus spinus (63) 

 Alpheopsis trispinosus 108 

 Alpheus aculeatus (61) 



barbara 10, 1 08 



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. xn, fig. 4; PL. xvu, 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. 

 xn, fig. 6; PL. xvin, figs. 7, 8; PL. 

 xix, figs. 1-8 



rugulosa 273 



uni-unguiculata 273 

 Ammothella 273 



Ammothella spinifera 251, 258, 275-277 ; 

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

 PL. xxi, figs. 1-6 



tuberculata 251, 258, 273-275; PL. 



xu, 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 



plumulariae 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 

 Betaeus harfordi II, 108 



harrimani n, 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 affinis 12, 154 



(33i) 



