442 
ECHINODERMATA. 
Desmosticha, Hack. 
Cidaridce^ Miill. 
Goniocidaridfe ; Cidaris ( = Qymnocidarh)^ DorocidariSf Phyllaeanthus 
( = Chondrocidaris)j Stephanocidaris, Porocidaris^ Goniocidaris 
{^Temnocidaris). 
Saleniidse : Salenia {=iSalenocidaris). 
Arbaciidas ; Arhacia ( = Echinocidaris)^ Podocidaris, Ccelopleurus 
( = Keraiophorus). 
Diadematidf© : Diademay Centrostephanus (^=iEchinodiad^ma enA Tri- 
chodiademd), Echinothrixy AdropygUy Asthenosoma ( = Calveria). 
Ecbinomotridflo ; Colobocentrotus ( = Podophora), Ilcterocmtvoim 
( = Acrocladid)y Echinometra ( = Ellipsechinus), Parasidmiay Sto- 
mopneiistcs { = Jleliocidans, an oligoporous genus !), Sirongy- 
lucentrotus {Toxopneustes, Anihocidaris, LoxccliinuSy &c.), Sphaare- 
chinnSy Pseudoholetitty Echinostrephus. 
Echinidce. 
Temnopleuridse : Temnopleurus ( = Toreumatica)y PleurechinuSy Temn- 
echinus ( = Genocidaris), MicrocyphuSy Trigonocidarisy Scdmacisy 
Mespiliay AmhlypneusteSy Ilolopneustes. 
Triplecbinida3 : Phymosoma ( = Glyptocidaris), Ilemipedina (= Cceno- 
pedma), Echinus (= Psammechinus')y Toxopneustes (^ = Boletiay 
Lytechinus), Hipponoe (Tripneustes)y Eveehinus. 
Clypeastridce. 
Euclypeastridae. 
Fibulariina ; EehinocyamuSy Fihularia. 
Echinantbidae : Clypeaster (Stolonoclypus)y Echinanthus. 
Laganidae : Laganumy Peronella. 
Scutellidae: Echinarachnius Dendr aster y Scaphechimcs), Arachnoides, 
Echinodiscus (z^Lobophora), Mellita, Astiiclypeus (= Crustulum), 
Potula, Encope. 
rETAi.osTiciiA, Hack. 
CassiduUdce. 
Ecbinoneidae : Echinoneus. 
Nucleoli tidae : Neolampasy EchinolampaSj Rhynchopygus (=Cassi- 
dulus)y Echinobrissusy NucleoUteSj Anochamis. 
Spatangida. 
Anancbytidao : Pourtalesiay Homolampas (g. n.), Platybrissus. 
Euspatangina ; SpatanguSy MaretiUy EupataguSy Loveniay Breyniay 
Echinocardium {^=Amphidetus). 
Leskiidae : Palceostoma {—Leshia). 
' Brissina: Kemiaster (=Abatus)y TripyluSy Rhynobrissus (g. n.), Bris- 
sopsis (p=.Kleinia)y Agassizia, BrissuSy Metaliay PlagionotuSy 
MeomUy Linthia (=Eesoria)y Faorinay SchizasteVy Moira. 
Part I. also contains detailed bibliographical and synonymic lists, and a 
chapter on nomenclature and one on geographical distribution (cf. p. 446) . 
Part II. gives the detailed generic and specific description of the Echini of the 
eastern coast of the United States, incorporating those of the deep sea collected 
by Pourtales, with 42 plates and several charts and tables showing their 
