532 ' MANUAL OF THE MOLLUSCA. 
PLATE XIII. 
The real size of each species is indicated by the accompanying line. 
Doridide. 
Page 
1. Doris Johnstoni, A. and H. Brit. (low water) .........++- 328 
2. Goniodoris nodosa, Mont. sp. Brit... ....22.2 sso eee 330 
je: Lriopa claviger, Mill. isp.) Brit.:.onc.2. 0s selec. eee 330 
4; /eirus punctilucens, D2Orb, Brita. 2% 3c 0. see eee 330 
5. Polycera quadrilineata, Mill. sp. Europe. (Laminarian zone) 330 
6. Idalia aspersa, A. and H. Northumberland............. oss Oo 
Tritoniade. 
7. Tritonia plebeia, Johnst. Brit. (Coralline zone) .......+.. 332 
8. Scyllea pelagica, L. Devon (pelagic) ......... see aeneecen 333 
9. Tethys fimbriata, L. Medit. (pelagic) ......... Phineas: 333 
10. Dendronotus arborescens, Mill. sp. Brit. ...........+. wo. 004 
11. Doto coronata, Gm. sp. Brit... .{:.....00.0s00080ce eee 304 
12. Lomanotus marmoratus, A. and H. Devonshire coast ...... 334 
Aolidide. 
13. Molis coronata, Forbes. Brit. (Laminarian zone) ........ 336 
14. Glaucus Atlanticus, Bl. Gulf-weed banks Poo oorc 22! 
15. Embletonia pulchra, A. and H. N. Brit.............008 .. 306 
16. Proctonotus mucroniferus, A.and H. Dublin Bay ........ 337 
17. Hermeea bifida, Mont. Brit. Lit.—Laminarian zone ...... 338 
18. Alderia modesta, Loven. Brit. Salt-marshes ............ 308 
Hlysiade. 
LO, Bay sia Wiridis, Monta Sp. isLlbs: telsjclelem se) ete olonetet el a atiayeseyiatelane . 339 
20. Acteonia corrugata (head), A.and H. Falmouth .......... 339 
21, Cenia, Cocksii, A. and H. Falmouth... 2... «>. ss «wile 339 
22, Limapontia nigra, Johnst. “Brit. «4... si .s+\s) «ss /eebieleeteneem 
