450 



A HISTORY OF RECENT CRUSTACEA 



GAS 



Gastric region, 52 



Gastroliths, 83 



Gastrosaccus, 267, 277 ; sanctus, 

 spinifer, 277 ; Norrnani, 278 



Gebia, synonj r m of Upogebia, 185 



Gebios, synonym of Upogebia, 185 



Gecnrcinidfe defined, 78 



Gecarcinncus, 79 



Gecarcinus, 79 ; curious particulars 

 of, 80 ; ruricola, 80 ; lagostoma, 

 84 



Gecarcoidea, 79, 80 



Gelasimus, 88 ; arcuatus, 88, 89, 

 9 1 ; pugilator, vocans, 89 ; 

 minax, 9 1 



Genders of generic names, discus- 

 sion of, 75, 1 20 



Genera, protest against multiply- 

 ing, 227 ; minute distinctions 

 of, 323 ; attempts at reduction 

 of, 360 



Gennadas, bathymetrical range 

 of, 19; eyestalkof, 220 



Geograpsus, 94 



Geothelphusa, 76 



Gerstaecker, Dr., work on Crus- 

 tacea by, 360 



Geryon, quinquedens, eggs of, 62 ; 

 doubtful systematic place of, 

 93 ; tridens, luminous eyes of, 

 103 



Gesner, on the habits of Pinno- 

 theres, 100 ; criticism of Aris- 

 totle by, 164 



Giard, Professor, explanation of 

 ' spurious females ' by, 109, 396 



Giard and Bonnier, on Epicaridea, 

 392, 393, 396, 399, &c. 



Gigantione Moebii, 414 



Gigantostraca, the sub-class, 6 ; 

 rarity of, 10 



Glaucothoe, 170 ' 



Globigerina ooze, species taken on, 

 201 



Glossobius, synonym of Cerato- 

 thoa, 353, 354 



Glyphocrangon, distribution of, 



GRA 



229 ; large eyes and powerful 

 telson of, 230 ; aculea hus, granu- 

 losis, rimapes, 230 



Glyptonotus, antarcticus. entomou, 

 372 



Gnathia, marsupial arrangement 

 in, 300; cerina, formica, Hali- 

 daii, maxillaris, 337 ; asciaferus, 

 bathybius, Danielii, gigas, 338 



Gnathiidfe defined, 335 



Gnalhophausia, ingens, size of, 

 28; gigas, Goliath, 29; cha- 

 racters of the genus, 258 ; cal- 

 carata, gracilis, gigas, ingens, 

 260 



Gnathopods, 42 



Gnathostoma, a sub-order of Cope- 

 pod a, 10 



Gomeza, 76 



Gonatonotus, 246 



Gonerichthus, larva of Gono- 

 dactylus, 290 



Goniograpsus raarmoratus, 94 



Goniopsis, manners of, 98 



Goniosoma cruciferum, synonym 

 of Charybdis cruciatus, 70 



Gonodactylus, falcatus, chiragra, 

 286 



Gonoplax, alias Goneplat, Gone- 

 plax, 91 ; angulata, rhomboides, 

 sinuatifrons, 92 ; rhomboides, 

 long-stalked eyes of, 35 



Goodsir, Harry, eyes of Cumacea 

 described by, 292 ; on develop- 

 ment of Cumacea, 293 



Gosse, P. H., on action of fiddler- 

 crabs, 66 



Graeffe, Dr., on the toilette of the 

 Oxyrrhyncha, 112, 113 



Grapsicepon, 412 ; Edwardsi, 

 Fritzii, messoris, 413 



Grapsid;e defined, 93 



Grapsion, 405, 406 ; Cavolinii, 407 



Grapsus, respiration of, 87, 97 ; 

 habits of, 94 ; maculatus, 93 ; 

 marmoratus, pictus, 94 



Grass Crab, the, 75 



1 MM. Chevreux and Bouvier have recently confirmed the opinion that the genus 

 Glaucothoe represents only larval forms, and they argue that these belong rather to the 

 lamily Pagnridee than to the Parapaguridae. 



