54 



List of the Land and Freshwater Mollusca of Ottawa as recorded in the 



Transactions of the OttawaField-Naturalists' Club, up to April ist, 1890. 

 A. — Freshwater Bivalves. 



1. — Sphserium sulcatum, Lam. Trans. Ot. F. Nat. Club vol. I, pt. 

 i, p. 40; II, 265-6. 



2. — " striatinum, Lam. Tr. I, i, 40. 



3. — " stamineum, Conr. Ot. Nat., vol. IV, p. 53. 



4. — '• rhomboideum, Say. Tr. I, i, 40. 



5.— " occidentale, Prime. Tr. I, i, 40; Ot. Nat. I, 107. 



6. — " partumeium, Say. Tr. I, i, 40. 



7.— " secure, Prime. Tr. I, i, 40 ; II, 132, 264. 



8. — " rosaceum, Prime. Tr. II, 351. 



9. — " truncatum, Linsley. Tr. I. iii, 59. 



10.— ?Pisidium Adamsi, Prime. Tr. I, i, 40. 

 11. — 1 " compressum, Prime. Tr. I, i, 40. 



12.— " abditum, Hald. Tr. I, i, 40 ; II, 264. 



13. — " ventricosum, Prime. Tr. I, i, 40; II, 264. 



14.—? " rotundatum, Prime. Ot. Nat. IV. 53. 



15.--Unio complanatus, So). Tr. I, i, 40; iii, 49; II, 265, 266; Ot. 



Nat. I, 114; III, 65, 66. 

 16. — " gibbosus, Barne3. Tr. I, i, 40 (as dilatatus) ; iii, 50 ; Ot. 



Nat. I, 114; III, 66. 

 17. — " ellipsis, Lea. Tr. I, i, 40 (as U. olivarious) ; I, iii, 50;. 



Ot. Nat. I. 114; III, 66. 

 18.— '< rectus, Lam. Tr. I, i, 40 ; iii, 50 : Ot. Nat. I, 114 ; III, 66. 

 19.— Unio radiatus, Lam. Tr. I, i, 40; iii, 50; II, 264. 

 2©.— << In Mollis, Lam. Tr. 1, iii, 51 ; II, 265. 

 21. — " Canadensis, Lea. Tr. I, iii, 52. 

 22.— " Uorealis, A. F. Gray. Tr. I, iii, 52, pi. II, tig. 1, 2, 3 ; Ot. 



X;,t. I, 114; III, 66. 

 23. — " cariosus, Lea. Tr. I, iii, 51. 



24.— « uccidens, Lea. Tr. I, iii, 51 ; Ot. Nat. I, 114 ; III, 65, 66. 

 25. — '• subovatus, Lea. Tr. I, i, 40 (as cardium) ; I, iii, 51. 

 26.- " alatus, Say. Tr. 1, i, 40 ; iii, 52 ; Ot. Nat. I, 1 14 ; III, 66. 

 27.— " gracilis, Barnes. Tr. I, iii, 52; Ot. Nat. I, 114; III. 66. 



8. — " pitssus, Lea. Tr. I, iii, 52; iv, 74. 



