Part first. 



Fig. 15. Lolif/o vulgaris (Squid). 

 a / 2 nat. size. p. 78. 



2. Snails (p. 78). Sea-hare (Aplysiq, ; fig. 16). soft black or brown 

 lumps as large as a man's fist, * Plc-nrohranclim (fig. 17 j. 

 * Umbrella (fig. 18). Triton's horn (Tritonium, fig. ID), with 

 red body and yellow horns banded with blackj; shell pointed, 



Fig. 16. Aplysia limacina (Sea-hare) 



u. J /a nat. size. p. 80. 



Fig. 17. Pleurobranchus testudinaritfs, Fig. 18.^.1] mbrella mediterranean 



1 lz nat. size. p. 80. */2 nat - size. p. 80. 



shaped like a whelk ; * Tun (Doliitm , fig. 20) , black arid 

 white body, rounded shell ; Murcx (fig. 21) , much smaller, 

 with spines ; Helmet shell (Cassis, fig. 22) ; Natica (fig. 23). 



