GASTEROPODA. DORIDIDZ. Zt 
Body elongate, the back with eight tubercles arranged into 
two longitudinal lines, one on each side, the sides of the mantle 
very thin, the branchiz with twelve rays. 
This rare species is sometimes found on the southern coast 
of Devon, in estuaries. 
8. Doris COCCINEA. 
D. dorso tuberculato, tentaculis dorsalibus ad apices truncatis, 
stylo retractili instructis, branchiis 10-radiatis. 
Doris coccinea, Montagu MSS. 
Color coccmeus. Long. corp. 1 poll. 
Habitat in Danmoniee littoribus, rarissima. 
Back tuberculated, upper tentacula with their points truncate 
and furnished with a retractile style, branchize with ten rays. 
Colour vivid red. Length an inch. 
Inhabits the coasts of Devon and Cornwall, but is extremely 
rare. 
Genus 6. Curma. 
Dorsum ante tentacula dorsalia appendicibus 4 acuminatis 
carnosis, et pone branchias appendicibus 2 ad medium plerum- 
que crassioribus instructum. Pes posticé acuminatus. 
Back before the dorsal tentacula, with four acuminated fleshy 
appendages, and with two other appendages, which are generally 
thicker towards their middle, situated behind the organs of re- 
spiration. Foot acuminated behind. 
This genus is allied to the Polycera of Cuvier, from which 
it differs in not having the posterior appendages membranaceous, 
and protecting the branchize in time of danger. 
1. CUFAA FLAVA. 
C. albida, rufo aut citreo varia vel sparsa, appendicibus anticis 
citreis. 
Doris flava, Mont. Trans. Linn. Soc. vii. 79. t. 7. f. 6. 
Habitat in Danmonize mari, rarissima. 
Colour whitish, variegated or sprinkled with red or orange, 
the anterior appendages orange-coloured. Length about half, 
sometimes three-quarters of an inch. 
