ON THE MARINE ZOOLOGY OF THE IRISH SEA. 445 
Rissoa vitrea, Mont. i. 31, 258; iii. 
69. 
R. soluta, Phil. iii. 70. 
R. semistriata, Mont. iii. 36, 70. 
R. cingillus, Mont. i. 258; iii. 69, 70. 
Do., var. »upestris, Forb. 7th A. R., 
Pb. 
Hydrobia ulve, Penn. i. 31, 258. 
H. ventrosa, Mont. Colwyn Bay. 
10th A. R. 
Do., var. ovata, Jeff. iii. 70. 
Jeffreysia diaphana, Ald. iii. 70. 
J. opalina, Jeff. ili. 4th A. B.,p. 36. 
Shenea planorbis, Fabr. i. 258; iii. 70. 
Homalogyra atomus, Phil. i. 258 ; iii. 
70. 
H. rota, F.& H. 6th A. R., p. 39. 
Cacum trachea, Mont. 7th A.R.,p. 28; 
8th A. R., p. 27. 
C. glabrum, Mont. iii. 70. 
Twrritella terebra, L. i. 259. 
Scalaria turtone, Turt. i 259. 
S. communis, Lmk. i. 259. 
» Aclis unica, Mont. iii. 70. 
A, ascaris, Turt. iii. 70. 
A, supranitida, 8. Wood. i. 259; iii. 
70. 
A. Gulsone, Cl. 
8th A. R., p. 27. 
Odostomia minima, Jeff. Isle of Man, 
South. 10th A. R. 
O. nivosa, Mont. 6th A. B., p. 39. 
O. Lukisi, Jeff. 7th A. B., p. 28. 
O. clavulu, Loy. 10th A. k. 
O. albella, Lov. 10th A. R. 
Do., var. subcylindrica, Marsh, 10th 
A. R. 
O. vissoides, Han. iii. 70. 
Do., var. dubia, Jeff. iii. 70. 
Do., var. glabrata. 10th A. R. 
O. pallida, Mont. iii. 71. 
O. conoidea, Broc. iii. 61, 71. 
O. conspicua, Ald. iii. 71. 
O. unidentata, Mont. i. 259. 
O. turrita, Han. 6th A. R., p. 39. 
Do., var. nana, Jeff. 10th A. R. 
O. plicata, Mont. i. 259; iii. 71. 
O. insculpta, Mont. Isle of Man, 
South. 10th A. R. 
O. Warreni, Thomp. 6th A. B., p. 39. 
O. dolioliformis, Jeff. iii. 71. 
O. decussata, Mont. iii. 71. 
O. indistincta, Mont. iii. 71. 
Do., var. brevior, Jeff. iii. 71. 
O. interstincta, Mont. i. 260. 
Do., var. sutwralis, Phil. 10th A. R. 
O. spiralis, Mont. i. 260. 
O. scalaris, Phil. 6th A. R., p. 26. 
O. rufa, Phil. i. 260; iii. 71. 
Do., var. fulvocincta, Thomp. iii. 71. 
O. lactea, L. i. 260. 
O. pusilla, Phil. iii. 61, 71. 
O. scille, Scac. iii. 71. 
O. acicula, Phil. 6th A. R., p. 26. 
“th AS) RB... py 28; 
Odostomia nitidissima, Mont. 6th A. R., 
p. 26. 
O. diaphana, Jeff. 10th A. R. 
Eulima polita, L. i. 261. 
Lt. intermedia, Can. 7th A. R., p 
28. 
H. distorta, Desh. i. 261; iii. 71. 
E. subulata, Don. i. 261; iii. 71. 
E. bilineata, Ald. 6th A. R., p. 26: 
7th A. R., p. 16. 
Natica catena, Da C. i. 11, 240, 261, 
338. 
NV. Alderi, Forb. i. 240, 244, 261, 338. 
NV. Montacuti, Forb. i. 261. 
Adeorbis subcarinatus, Mont. iii. 28,72. 
A. imperspicuus, Monter. 7th A. R., 
pp. 16, 17, 28 (as Cyclostrema 
millepunctatum, Friele). 
Lamellaria perspicua, L. i. 244, 261. 
Velutina levigata, Penn. i. 239, 244, 
261, 323, 338 ; iii. 72. 
Aporrhais pes-pelicani, L. i. 239, 244, 
261. 
Cerithium reticulatum, Da C. i. 261. 
C. perversum, L. Isle of Man, South. 
10th A. R. 
Cerithiopsis tubercularis, Mont. iii. 
61, 72. 
Purpura lapilius, L. i. 31, 262, 338 ; 
iii, 72. 
Do., var. imbricata, Lmk. iii. 72. 
Buccinum undatum, L. 1.31, 239, 262, 
338. 
Do., var. littoralis, King. 10th A. R. 
Do., var. Jordoni, Chester. 10th A. R. 
Murex erinaceus, L. i. 5, 240, 262, 319, 
333. 
Lachesis minima, Mont. iii. 72. 
Trophon muricatus, Mont. i. 240, 262- 
Tf. barvicensis, Johnst. i.240, 262,338. 
T. truncatus, Str. i. 262, 388. iii. 72. 
Do., var. alba, Jett. 10th A. R. 
Fusus antiquus, L. i. 240, 244, 262, 338. 
Do., var. alba, Jeff. Isle of Man, 
South. 10th A. R. 
F. gracilis, Da C. i. 5, 240, 244, 
338; iii. 73. 
Do., var. convoluta, Jeff. 10th A. R. 
F. propinguus, Ald.i. 244, 262 ; iii. 73- 
F. Jeffreysianus, Fisch. i. 244. 
Nassa reticulata, L. i. 263. 
NV. inerassata, Str. i. 263; iii. 73. 
Defrancia teres, Forb. 6th A. i, 
pp: 26, 39. 
D. gracilis, Mont. i. 263, 
D. Leufroyi, Mich. 6th A. R., p. 39. 
D. linearis, Mont. i. 263 ; iii. 73. 
Do., var. equalis, Jeff. 10th A. R. 
D. purpurea, Mont. i. 263. 
Pleurotoma attenuata, Mont. Isle of 
Man, South. 10th A. R. 
P. costata, Don. iii. 73. 
P. nebula, Mont. i. 240, 263, 338; iii. 73. 
P. septangularis, Mont. i. 263. 
