32 



ILUNOIS BIOLOGICAL MONOGRAPHS 



[32 



CWHAIOIDOPHOWDAE 



Cephaloidcphora conformis (Diesing) L^er 



and Duboscq 

 Cephaloidophora communis Mawrodiadi 



Type species 



Cephaloidophora fossor (L^ger and Duboscq) 



Tr6gouboff 

 Cephaloidophora ocdlaia (L6ger and Duboscq) 



Kamm 

 Cephaloidophora mactdata lAgtt and Duboscq 

 Cephaloidophora talitri Merder 

 Cephaloidophora olivia (Watson) Kamm 

 Cephaloidophora nigrofusca (Watson) Kamm 

 Cephaloidophora ddphinia (Watson) Kamm 

 Cephaloidophora ampdisca (Nowlin and 



Smith) Kamm 



GENEBA OT UNCERTAIN POSITION 



Nematoides fusiformis Mingazzini 



T>'pe species 

 Ganymedes anaspidis Huxley 



Type spedes 



UNNAHED SPECIES OF UNCERTAIN POSITION 



[? gammari von Siebold] 

 [sp. Mawrodiadi] 



[? valetUi Nussbaum] 

 [? pratmorsa Diesing] 

 [? clausii Frenzel] 



[? nicaeae Frenzd] 

 (sp. Minchin] 



Pachygraspus marmoratus Fabr. 

 Balanus improvisus Darw. 

 B. titUinnabulum communis L. 

 B. improvisus gryphica Miin. 

 B. perforans Brug. 

 B. amphitrite Darw. 

 B. ebumeus Gould 



Pinnotheres pisum Penn. 



Eupagurus Prideauxi Leach 

 Gammarus marinus Leach 

 Talitrus saUaior Mont. 

 Libinia dubia 

 Uca pugnax, U. pugilator 

 Talorchestis longicomis Say. 



Ampdisca spinipes 



Balanus perforatus 

 PoUicipes cornucopia 

 Anaspides tasmaniae (Thomp.) 



Gammarus pulex 



Balanus amphitrite paUidus Danr. 



B. amphitrite Darw. 



B. ebumeus Gould 



PoUicipes polymerus Say 



Cancer pagurus 



Phronima sp. 



PhronimeUa sp. 



Hyale pontica Rathke 



Nd>alia serrata 



Family DIDYMOPHYIDAE Leger 1892:105 

 Sporonts in associations of two or three. No septa in satellites. 



Genus DIDYMOPHYES Stein 1848:186 

 Characters of family. Epimerite a small pointed papilla, cyst dehis- 

 cence by simple rupture, spores ellipsoidal. 



