440 



A HISTORY OF RECENT CRUSTACEA 



ALT 



barns, 209 ; suggested in Tana- 



idfe, 327 

 Alternation of sex in Cyrnothoidas, 



350, 355 



Amalopenasus elegans, 219 

 Amathia (pre- occupied) Carpen- 

 ter!, 119 

 Amblyops, synonym of Amblyop- 



sis, 269 

 Amblyopsis, abbreviata, crozetii, 



269 

 Amboina, present from king of, 



29 ; species of Gonoplax at, 92 

 Amorphopus, 102, 103 

 Amphiplectus, 234, 237 

 Amphipoda, name of, 8 ; where 



found, 14, 16, 17, 22, 23 ; sizes 



of, 30 ; place in classification, 8, 



291 ; compared with isopods, 



390 ; isopods parasites on, 400 ; 



the suborder briefly denned, 



436 

 Amphoroidea, australiensis, falci- 



fer, typa, 365 

 Anamathia, 119 

 Anapagurus, 161, 165; chiroacan- 



thus, ferruginous, Hyndmanni, 



lasvis, 161 

 Anarthrura, 325 ; simplex, linearis 



(?), 328 

 Anaspis, recently discovered genus 



of Schizopods, 257 

 Anceus, synonym of Gnathia, 300, 



337, 338 

 Anchialus, 267; agilis, pusillus, 



typicus, 274 

 Anchistia, migratoria, 248; scripta, 



249 



Ancinus depressus, 365 

 Anebocaris, 242 

 Aniculus, 160 

 Anilocra, asilus, 352; gigantea, 



29, 352 



Anilocridae, 351 

 Annulosa, 2 

 Annulus ventralis of Cambarus, 



208 



Anomala, tribe of Brachyura, de- 

 nned, 133; tribe of Macrura, 



defined, 149 

 4nomura, position of, 8 ; apterura, 



ARI 



52, 133 ; pterygura, 146 ; reason 



for discarding, 147 

 Antennas, first, alias antennules, 



35 ; otoliths in, 36, 196, 248 

 Antennas, second, alias outer, 



under, 38 ; stridulating appara- 

 tus in, 39 



Anthelura, 331 ; abyssorurn, 333 

 Anthura, 331 ; flagellata, gracilis, 



tenuis, 333 



Anthuridas defined, 330 

 Antilibinia Smithii, tenacity of, 



117 

 Anuropidas, suggested new family, 



344 



Anuropus, 342 ; branchiatus, 345 

 Aphareus inermis, 212 

 Apoda, order of Cirripedes, 11 

 Apodemes, 133 

 Appendages, a single pair to a 



segment, 33, 42 ; names for the 



parts of, 36, 43 

 Apseudes, 320 ; grossimanus, Lat- 



reillii, simplicirostris, talpa, 



321 



Apseudidse defined, 319 

 Apterura, meaning of, 133 

 Apus Newberryi, Jarge Phyllopod, 



31 



Arachnida, the class, 3 

 Arachnomysis, 267 ; Leuckartii, 



276 



Aratus Pisonii, breathing arrange- 

 ments of, 97 

 Archer, Surgeon-Major, on crabs 



at Singapore, 135 

 Arctomysis (pre-occupied) 267 ; 



Fyllse, 268 

 Arctopsis, its priority over Pisa 



mooted, 116 

 Arcturidas defined, 369 

 Arcturides cornutus, 373 

 Arcturus BafEni, 370 ; resemblance 



to Caprellidas shown in this 



genus, 370 



Arctus, 194 ; ursus, 195 

 Argeia, depauperata, pugettensis, 



415 



Argis lar, 228 

 Aristeus antennatus, 219 

 Aristotle, Carcinus Heracleoticus 



