Boone, Crustacea, Cruise of "Alva," 1931 13 



Page Plate 



Subfamily Pontoninae 159 



Genus Vanderbiltia 159 



rosamondae 160 41, 42 



Genus Palaemonella 163 



longirostris 163 43 



Genus Periclimenes 165 



Subgenus Ancylocaris 165 



spiniferus 165 44 



Genus Harpilius 165 



lutescens 165 45 



Genus Coralliocaris 170 



superba 170 46 



lamellirostris 174 47 



graminea 176 48 



Tahitoei 180 49,t.f.l2 



Genus Conchodytes 184 



biunguiculatus 184 50 



Family Hippolytidae 187 



Genus Saron 187 



marmoratus 187 51 



Genus Thor 192 



spinosus 192 52 



Grenus Latreutes 195 



mucronatus 195 53 



Family Gnathophyllidae 197 



Genus Gnathophyllum 197 



americanum 197 54 



Family Crangonidae 200 



Genus Pontophilus 200 



vanderbilti 200 55 



Order Euphausiacea 204 



Family Euphausiidae 204 



Genus Euphausia 204 



alvae 204 56, 57 



consuelae 206 58, 59 



Genus Thysanoessa 209 



gregaria 209 60 



Genus Stylocheiron 211 



longicorne 211 61 



Order Isopoda 213 



Suborder Flabellifera 213 



Family Cymothoidae — 213 



Subfamily Cymothoinae 213 



Genus Anilocra 213 



leptosoma 213 62 



