INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 453 



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



Syllis (?), sp., young ; September 3 ; evening. 



Khynchobolus Americanus, young ; September 3 ; evening. 



Nereis virens, adult males ; April ; day-time, (440.) 



jST. limbata, adult males filled with milt, September 3, evening ; Sep- 

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

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



H". pelagica, young ; August, September ; evening. 



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



Podarke obscura, adult ; June 26 to August ; evening, (440.) 



Spio setosa, young ; evening. 



Scolecolepis viridis, young ; evening. 



Polydora ciliatum, young ; September 3 ; evening. 



Mcolea simplex, young ; August, September ; evening. 



Amphitrite ornata, young ; evening. 



Lepraea rubra, young ; evening. 



Polycirrus eximius, young ; August, September ; evening. 



Spirorbis, sp., young ; evening. 



Tomopteris, sp., young ; evening. 



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



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



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



Meckelia ingens ; specimens up to ten inches 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. 



MOLLTJSOA. 



Ceplialopods. 



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



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



L. pallida, adult ; October, November, (441.) 



Pteropo(l§. 



Clione papilionacea, adult; April 13, April 30, (444.) 

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

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

 Diacria trispinosa, (444.) 

 Cavolina tridentata, (444.) 



LamellibrancJis. 



Teredo navalis, larvae ; May, June, (386.) 

 Mytilus edulis, larvae ; April, (308.) 

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

 Larvae of many other species, undetermined. 



