1898-1902. No. 18.] CRUSTACEA. 39 



Suborder Cyclopoida. 



Gnathostoma. 

 Fam. Oithonidse. 



129. Oithona similis, GLAUS. 



From plankton taken on June 29, 1898, in lat. 57 31' N., long. 1 29' E. 



Fam. Cyclopidse. 



130. Cyclops agilis, KOCH. 



Rather abundant in a sample taken on Aug. 22, 1898, from a fresh- 

 water pond (the exact locality not indicated). 



131. Euryte longicauda, PHILTPPI. 

 Found in 4 of the bottles examined. 



132. Cyclopina gracilis, GLAUS. 



A solitary female specimen of this form occurred in a bottle of 

 specimens taken on July 5, 1901, in the Sound at Hell Gate. 



133. Cyclopina littoralis, BRADY. 



2 females of this form were found in a bottle containing specimens 

 taken on July 12, 1900, in the bay at Land's End. 



Siphonostom a. 



Fam. Asterocheridze. 



134. Dermatowyzon nigripes (BRADY). 

 Found occasionally in 3 of the bottles examined. 



Fam. Artotrogidse. 



135. Bradypontius magniceps (BRADY). 



An adult female and 2 immature specimens of this form occurred 

 in a bottle of specimens taken on Sept. 19, 1900, outside Forvisnings 

 Valley, from a depth of 220 fathoms. 



