DORIDID. 371 
Homoroports, Bergh, 1881. 
Distr.—H. Japonica, Bergh. Japan. 
Form of the body as well as the rhinophores, tentacles and 
branchia as in Archidoris; prostate large; vagina armed. 
PrteLoporis, Bergh, 1881. 
Distr.—P. triphylla, Bergh. Japan. 
Body subdepressed, the back minutely hirsutely tuberculated ; 
branchial aperture valved ; branchial leaves tripinnate ; tentacles 
short, triangular; penis unarmed. 
Oroports, Bergh, 1875. 
Distr.— O. miamirana, Bergh. Tahiti. 
Mantle (notheum) somewhat as in Miamira. Keeled above 
with transverse ribs; no frontal or caudal veils, or lateral lobes 
lamellate beneath. Foot rather narrow. Integument without 
spicules. Armature of the oral aperture as in Miamira—a 
spinous buccal collar. Odontophore as in Miamira; but the 
rachis is hardened.—BERGH. 
CERATODORIS, Gray. 
Syn —Kchinodoris, Bergh, 1874. 
Distr.— C. solida, Quoy (xe, 1). Waigiou. 
Form rather depressed ; back everywhere covered with elon- 
gated papillz; back and papille spiculose. Rhinophores and 
branchie retractile. Odontophore with the pleurze multidentate. 
Penis armed at the apex with a series of minute uncini.—BeErGH. 
Hexaprancuus, Ehr., 1831. 
Syn.—Heptabranchus, Adams. Rhacodoris, Morch (part). 
Distr.—18 sp. Red Sea, Indian O., and Australasia. H. 
sanguineus, Ruppell (xe, 94). 
Body soft; integument non-spiculose (?); rhinophores sharply 
bent, and with an anterior knee, retractile within marginated 
cavities; branchiw generally small, numerous, ramose, non- 
retractile, arranged in six or eight tufts, which are set in an 
open circle at some distance around the anal opening; oral 
tentacles large, fleshy, flat, ovoid or leaf-shaped, with crenulated 
edge. Odontophore broad, with numerous lateral simple spines 
in each transverse row; none median in position. 
_.. CALYCIDORIS, Abraham, 1876. 
Distr —€. Giinthert, Abr. Hab—. : 
Body depressed : mantle ample, éovered with soft’ abit ; 
branchiz simply laminate, arranged like a cup around the anus, 
subretractile in a common cavity. Oral tentacles represented 
by a fleshy, laterally extended veil. Odontophore narrow, bearing 
