GASTROPODA (NUDIBRANCHIA) . 
Ins . 59 
Tritoniidje. 
Marionia (Vayssiere, 1877). General form as in Tritonia ; frontal 
hem provided with numerous compound finger-shaped prolongations ; 
stomach armed with strong plates. M. quadrilatera (Schultz) and blain- 
villea (Risso, both as Tritonia ) = decaphylla (Cantr.) = berghi (Vays- 
siere), both from the Mediterranean, and anatomically described, the 
former also figured from living specimen ; M. affinis, sp. n., Naples, and 
T. tethydea (Delle Chiaje), are doubtful as specifically distinct, as well as 
acuminata (Costa), costcc and meyeri (Verany). T. elegans (Aud.) = glauca 
(Leuck.), and T. cyanobranchiata (Leuck.), are species of Marionia , living 
in the Red Sea. Bergh, MT. z. Stat. Neap. iv. pp. 303-326, pi. i. 
Tethys leporina (L.). Habits of living specimen, swimming, food, &c. ; 
Bergh, Verh. z.-b. Wien, xxxii. pp. 67 & 68. 
Scyllcea pelagica (L.). Specimens from the China Sea and spawn 
described ; Colliugwood, Tr. L. S. (2) ii. pp. 137 & 138, pi. x. figs. 29-33, 
and woodcut. 
DENDRONOTIDyE. 
Lomanotus genei (Verany). Living specimen found at Trieste, exter- 
nally described by Bergh, Verh. z.-b. Wien, xxxii. pp. 66 & 67. 
Lomanotus eisigi, sp. n., Trinchese, Rend. Acc. Nap. 1883, fasc. iii., 
Mediterranean. 
Bornella marmorata , sp. n., Collingwood, l. c. p. 138, pi. x. figs. 34-38, 
Aden. 
MELIBGGID2E. 
Doto coronata (Gmel.), costcc , cornalice, rosea , aurea , cinerea, splendida, 
paulince , spp. nn., Trinchese, iEolid. ii. pp. 89-96, pis. lii.-lxi., Genoa. 
iEoLIDIDAC. 
Observations on embryology, including descriptions of the eggs, 
development, and embryonal shells of Ercolania siottii , Coryphella lands- 
burgi , Amphorina ccerulea , Janus cristatus , and Favorinus albus ; S. 
Trinchese, ^Eolid. ii. pp. 106-109, pis. lxxii.-lxxx. 
JEolis gracilis , sp. n., T. W. Kirk, Tr. N. Z. Inst. xv. p. 217, woodcut, 
Napier, North Island, New Zealand. 
JEolidiella scemmeringi (Bergh, nec Leuck.), Trieste. External and 
anatomical description ; Bergh, Verh. z.-b. Wien, xxxii. pp. 8-12, pis. v. 
figs. 1-5, & vi.’figs. 1-3. 
JEolidiclla (Bergh, 1867) glauca (Aid. & Hanc.). External and ana- 
tomical description ; Trinchese, iEolid. ii. pp. 23-30, pis. vi.-viii. 
Berghia (Trinchese, 1877) ccerulescens (Laurillard, Eolidia ), Mediterra- 
nean. External and anatomical description ; Bergh, Verh. z.-b. Wien, 
xxxii. pp. 20-23, pis. i. figs. 1-9, & ii. fig. 17. The same, = Flabellina 
vermicornis (Costa), fully described by Trinchese, iEolid. ii. pp. 5-22, 
pis. i.-v. 
