IXYERTEBRATE ANIMALS OF YINEYARD SOUND, ETC. 455 



Stomotoca apicata, medusae. 

 Willia oruata, young medasie ; last of September. 

 Dipurnea conica, medus?e ; July ; evening. 

 Gemmaria gemmosa, medusae; evening. 

 Pennaria tiarella, medusre } August, September. 

 Ectopleura ocliracea, medusie ; September. 

 Xanomia cara, August, September 5 evening. 

 Physalia Aretliusa, July to September 5 day, (450.) 

 Yelella mutica, August ; day. 



Folyps. 



Edwardsia, sp., larvae in tlie " Araclinactis " stage; September; 

 evening, (451.) 



PROTOZOA. 



Numerous kinds of ciliated infusoria, (451.) 



List of species taken at the surface in winter, December to March. 



Crustacea, 



Crangon vulgaris, young. 



Mysis Americana. 



Anonyx, (?,) sp. 



Calliopius lieviusculus, (439.) 



Pontogeneia iuermis. 



Gammarus natator. 



Monoculodes, sj). 



Several species and genera of Oopepods, very abundant. 



Larvae of Balanus, December 21, January 7 and 8. 



AnnelidSj &c, 



Xereis virens, adult males. 

 Sagitta, sp., adult, abundant, (440.) 

 Pontonema marinum, adult. 

 Other Nematodes, undetermined. 



Acalej^hs. 



Pleurobrachia rbododactyla, young and adult, abundant, (450.) 

 Mnemiopsis Leidyi, adult, abundant, (450.) 

 Cyanea arctica, young ; March. 

 Tima formosa, adult, (449.) 



11. 10.— ANIMALS PARASITIC ON FISHES, ETC. 



Large numbers of fishes were examined, both internally and externally, 

 for parasites, and a large collection of such parasites was made. The in- 



