INVERTEERATE ANIMALS OF VINEYARD SOUND, ETC. 453 



Gattiola, sp., young ; September 3 ; eveuing. 



Sjllis (Oj sp., young; September 3; eveuing. 



EUj-ncbobolus Americanus, young; Septembers; evening. 



Nereis vireus, adult maleKS ; April ; day-time, (440.) 



K limbata, adult males filled witb milt, September 3, evening; Sep- 

 tember 5, at Fire Island, day. Females, September 3, (few ;) young, 

 common, August, September, eveuing, (440.) 



N. pelagica, young; August, September; evening. 



Nectonereis megalops ; July 3, 11 ; September 3, 8 ; evening, (440.) 



Podarke obscura, adult ; June 2G to August ; evening, (440.) 



Spio setosa, young ; evening. 



Scolecolepis viridis, young ; evening. 



Polydora ciliatum, young ; September 3 ; evening. 



Nicolea simplex, young ; August, September ; evening. 



Amphitrite ornata, young ; evening. 



Leprtea rubra, j'oung ; evening. 



Polycirrus eximius, young ; August, September ; evening. 



Spirorbis, sp., young ; evening. 



Tomopteris, sp., young ; evening. 



Sagitta elegaus, adult ; July 1, September 8 ; day-time, (440.) . 



Sagitta, sp., adult and young ; January 30 to May 5 ; day, (440.) 



Balanoglossus aurantiacus ; larva? in the " tornaria " state, (351.) 



Meckelia ingens ; specimens np to ten inclies long ; evening, (349.) 



Pontonema marinum, adult ; February ; day-time. 



Several other small Nematodes with the last. 



Slender round worm, up to six inches long; June 29, July 13; evening. 



Young of many other worms ; undetermined. 



MOLLUSCA. 



Cep1ialo2:>ods. 



Omraastrephes illecebrosa, adult ; July, August, (441.) 



Loligo Pealii ; June to September; young, July, August, (440.) 



L. i)allida, adult ; October, November, (441.) 



Pteropods. 



Clione pai^ilionacea, adult ; April 13, April 30, (444.) 

 Styliola vitrea, adult ; September 8 ; day-time, (443.) 

 Spirialis Gouldii, adult ; August; evening, (443.) 

 Diacria trispinosa, (444.) 

 Cavolina tridentata, (444.) 



Lamellihranchs. 



Teredo uavalis, larvae ; May, June, (380.) 

 Mytilus edulis, larvae ; April, (308.) 

 Ostrava Virginiana, larvae ; June, July, (310.) 

 • Larvae of many other species, undetermined. 



