450 Mr. G. S. Brady on Recent Ostracoda 
Radula inflata, Chemn. Rare; valves. Mediterranean. 
—— tenuis, H. Ad., n.sp. Rare. 
—— (Ctenoides) scabra, Born, dva Rare. 
—— (Limatula) pusilla, H. Ad., n. Rare. 
— (atti) f raris Bolten. "Rare. Philippine and Sand- 
ands 
Linea ond H. Ad. 40f.; valves; freque 
Spondylus aculeatus, Chemn. Shallow water, on ic &c. Mauritius. 
plurispinosus, Rve. One valve. 
Plicatula philippinarum, Hanley. 
edum spondyloidewm, Gmel. In coral. Indian Ocean, Mauritius. 
Ostrea (Lopha) cucullata, Born. Low € rocks. Philippines 
—— (——) frons. Valves. W. Indi 
XLIV.— Contributions to the Study of the Entomostraca. 
By GEORGE Srewarpson Brapy, C.M.Z.8. 
No. V. Recent Ostracoda from the Gulf of St. Lawrence. 
[Plate XIX.] 
THE specimens which form the subject of the — notice 
have been y placed in my hands by Dr. Dawson, of 
Montreal, for examination and description. They were dredged 
by Mr. G. . Dawson in various parts of the Gulf of St. Law- 
rence, in depths varying mostly from 10 to 50 fathoms, but in 
one case reaching 250 fathoms. The following is the list of 
Species :— 
Argillcecia, sp. Cytheridea punctillata, Brady. 
Cythere kodara Norman. idc S by Jones. 
üller, 
t 
, Mü ? elongata, Brady 
—— pellucida, Baird. Eucythe is, Sars, sp. 
—— emarginata, Sars, sp. Loxoconcha, s 
——— concinna, Jones. Xestoleberis depre ssa, Sars. 
—— tuberculata, Sars. Cytherura undata, Sars (var.). 
—— canadensis, noy. sp. —— pumila, C., B. § R. (MS.). 
—— villosa, Sars, —— ? eoncentrica, C., B. § R.(MS.). 
—— dunelmensis, — sp. eesti oce nodosum, set 
— awsoni, nov. ythocyt 
abyssico. cola, Sars 3, Sp. Cytherideis ese ay noy. v.a. 
eb Whiteii, Baird, sp: P Philomedes interpuncta, Baird, sp. 
rad Bradycinetus, sp. 
aay. 
Gythesion sc ed Bosquet. 
The determination of these species has been. a most MUS 
ing task, owing to their variation in most cases from t 
nown to us on this side of the Atlantic. It is wikis 
mess, that many which I have here identified with well- 
known Species wah by other carcinologists be thought worthy 
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