SYSTEMATIC TABLE 



OF THE ECHINI OF THE EASTERN COAST OF THE UNITED STATES. 



Suborder DESMOSTICHA, Haeckel. 



Family CIDARIDAE, Mull. 



Subfamily GONIOCIDARIDAE, Haeckel. 



Cidaris Klein. Dorocidaris A. Agass. 



Cidaris tribuloides Bl., 253. Dorocidaris papillaia A. Agass., 254. 



Subfamily SALENIDAE, Agass. 



Salenia Gray. 



Salenia varispina A. Agass., 261. 



Family ARBACIADAE, Gray. 



Arbacia Gray. Fodocidaris A. Agass. 



Arbacia punctulata Gray, 263. Podocidaris sculpta A. Agass., 269. 



Coelopleurus Agass. 



Coelopleurus fioridanus A. Agass., 267. 



Family DIADEMATIDAE, Pet. 

 Asthenosoma Grube. Diadema Schynv. 



Asthenosoma hgstrix A. Agass., 272. Diadema setosum Gray, 274. 



Family ECHINOMETRADAE, Gray. 



Strongylocentrotus Br. Echinometra Rond. (Breyn.). 



Strongylocentrotus Drobachiensh A. Agass., 277. Echinometra subangularis Desml., 283. 



Echinometra viridis A. Agass., 284. 



Family ECHINIDAE. 



Subfamily TEMNOPLEURIDAE, Des. 



Temnechinus Forbes. Trigonocidaris A. Agass. 



Temnechinus maculatus A. Agass., 286. Trigonocidaris albida A. Agass., 289. 



Subfamily TRIPLECHINIDAE, A. Agass. 



Hemipedina Wright. Toxopneustes Agass. 



Hemipedina cubensis A. Agass., 291. Toxopneustes variegatus A. Agass., 298. 



Echinus Rond. (Linn.). Hipponoe Gray. 



Echinus gracilis A. Agass., 293. Hipponoe esculenta A. Agass., 301. 



Echinus norvegicus D. o. K., 296. 



Suborder CLYPEASTRIDAE, Agass. 



Family EUCLYPEASTRIDAE, Haeckel. 

 Subfamily FIBULARINA, Gray. 

 Echinocyamus Van Phf.l. 



Echinocyamus pnsillus Gray, 304. 



