NO. 2194. NORTH AMERICAN PARASITIC COPEPODS— WILSON. 39 



11. Abdomen short and inclined to body axis; egg cases narrow and elongate- 

 cylindrical; ventral horns half the length of the dorsal (22.50 nun.) 



cyprUiacca (Linnaeus), 1758. 



11. Abdomen long and parallel with body axis; ventral horns very short and 

 slender spikes (10 mm.) tcmnoccphala (Cunnington), lOli. 



As ■would naturally be inferred a great many species that "were 

 originally ascribed to this genus have subsequently been trans- 

 ferred to other genera. These may be most easily recorded in 

 the form of a table giving first the original species of the genus, then 

 the author, and finally the present genus and species. It will be 

 noted that some of the transferences are not merely from one genus 

 to another, but also into a new familj', which may be not even very 

 closely related to the Lernaeidae. 



In addition to the above species, which can be located with reason- 

 able certaint}', there are also others which have never been described 

 with sufficient accuracy to enable one to locate them with any cer- 

 tainty, nor even with any probability. 



LERNAEA BASTERI Blainville. 1822, p. 437. 



"The body is white and divided into two parts by a constriction; 

 the abdomen is very large and oval; the cephalic enlargement is 

 globular; the mouth is inferior and provided with a double pair of 



