OuDERl._BRANCHIOPODA-rco«//««.r/;. 

 Cvpris, 245 

 Slda, 247 

 Latona, 247 

 JPolyphemus, 24S 

 Daphnia, 248 

 Lyuceus, 253 

 Phyllopa, 253 

 Limnadia, 25-J 

 Arteraia, 255 

 Branchipus, 255 

 Eulimene. 257 

 Apus, 268 



Order II.— P.ECILOPODa! 261 

 Film. 1.— XvriiosuRA, 261 

 Limulus, 262 

 Tachypleus. 264 

 Fom. 2. — SiPHONosTOMA, 264 

 Tribe 1. — Calicjides, 264 

 Argulus, 265 

 Caligus, 268 



Caligus proper, 269 

 Pterygopoda, 269 

 Pandarus, 269 

 Dinemoura, 269 

 Anthosoma, 269 

 Cecrops, 270 



Tribe 2.--Lerneiformes, 270 

 Dichelestium, 270 

 Nicothoe, 271 



TIULOBITES, 273. 



Agnostus, 274 

 Calymene, 274 

 Asaphus, 274 

 Ogygia, 274 

 Paradoxides, 274 



CLASS II.— ARACHNIDES, 

 Ordkr I.— PULMONARI^, 277 

 Fam. 4. — Araneidks, 279 

 Mygale, 286 



Mygale proper, 286 

 Cteniza, 289 

 Atypus, 289 

 Eriodon, 290 

 VOL. iir. 



