XLUl 
R. BErGH, Unters. d. Chromod, elegans und villafranca. 
p- 1-36. Taf I—l. 
— neue Chromodoriden. — Malakozool. Bl. XXV]. 1879. Taf. IV. 
Malakozool. Bl. XXV. 1877. 
_- the nudibr. Gastr. of the North-Pacifie. (DALL., explor. of Alaska) I. 1579. 
pl. 1-VI. 
BLAINVILLE, man de malac. et de conchyl. 1825. (p. 484—491, 627—628). Planches. 1827. 
(Pe65n pl. XIV) XEVI (sel), XV bis, XLVD). 
BLANCHARD, rech. sur l’organis. des moll. gaster. de l’ordre des Opisthobranches. — Ann. 
Bono Asp 172 191 RT 1849 p. 7289, pl. 3—4. 
BonmmE, Ber. wegens een zonderling Zee-Inseet. — Act. Vliss. I. 1769. p. 394—409; Ill. 
1778..p. 290318; NV. 1778. p. 357-400. 
BOUCHARD-CHANTEREAUX, catal. des moll. mar, — sur les cötes du Boulonnais. 1835. 
| p. 129-140. 
CANTRAINE, malacol. medit. et littor. 1840. (p. 44—67. pl. I—IV). 
CAVOLINI, mem. — dei polipi marini. 1785. p. 190. Tav. VII. Fig. 3. 
STEFANO DELLE CHIAJE, Memorie sulla storia e anat. degli an. senza vert. 
I. 1823. p. 59—61, 70, 73 (Planaria ocellata [Tethys]); p. 125—132, 
134, 137 (Pleurophyllidia). 
Il. 1825. p. 264 (Doris verrucosa, argo), 265 (Plan. ocellata [Tethys]). 
III. 1828. p. 120-137 (Doris), 137”—148 (Tethys). 
ed. 2. 1843. 
V. p. 73—74 (Aeolidia), 74 (Tritonia), 74—75 (Tethys), 75—77 (Doris), 
77 (Pleurophyllidia). 
COLLINGWOOD, the estuary of the Mersey considered as a locality for nudibr. Moll. — 
Ann smezi meh. 358% III. 18592 p. 461470, 
— on the nudibr. moll. inhabiting the Estuary of the Dee. — Ann. mgz. n. h. 
3.8. N1. 1860..p. 196202. 
— remarks upon some points in the economy of the nudibr. moll. — Ann. mgz. 
n. h. 3 8. Vll. 1861. p. 33—41. pl. IV. 
u observ. on the distrib. of some sp. of nudibr. moll. in the China sea. —|. c. 
4 8. I. 1868. p. 9094. 
CooPER, Proc. of the Calif. ac. of nat. hist. II. (1862) 1863. p. 202— 207; 111. (1863) 
1868. p. 57—60, 345. 
A. Costa, sulla Phylliroe bucephala. — Rendic. della R. Accad. delle sc. fis. e matem. 
di Napoli. Aprile 1863. p. 1—3. 
—_ illustr. di due Generi di Moll. nudibranchi. — Atti della R. Ace. — di 
Napoli. III. 1869. No..19. p. 1, lerne 
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