MANUAL OF THE MOLLUSCA. 
Katine, Alder and Hancock, 1865. 
Etymology, an old Indian name for Telinguna. 
Type, K. ornata, Ald. and Han. Coromandel coast. 
Animal with an obtusely rounded body; branchize plumose, 
non-retractile, surrounding the vent, but placed separately at a 
little distance from it on the posterior part of the back. 
[Faminy Dormorsip#, Alder and Hancock, 1863. ] 
Dorsal tentacles retractile within sheaths; no oral tentacles. 
Tongue atrophied, buccal bulb modified into a delicate suctorial 
retractile proboscis; mantle devoid of spicula. 
Dorimoprsis, Alder and Hancock, 1863. 
Body depressed, oval or elliptical; mantle covering the head 
and foot, smooth, or with soft warty tubercles; dorsal tentacles 
laminated ; head minute, generally produced into small lateral 
lobes, without oral tentacles; branchize plumose, wholly or 
partially surrounding the vent on the media-dorsal line, retrac- 
tile within a common cavity. , 
Distribution, 10 species. East Indies, China, Madeira. 
Famity VII.—TRITon1Iapz.* 
Hero, Loven. 
Example, H. formosa, Lov. 
Animal with no mantle; tentacles two, linear, simple non- 
retractile; veil plain, produced at the sides, gills branched or 
umbellated. Tongue with a large central denticulated spine, 
and two simple lateral spines. Jaws corneous. 
[Famity HoLipip4. } 
PHIDIAWNA, Gray. 
Example, P. Patagonica, D’Orbigny. 
Animal with a stout body; dorsal tentacles clavate, laminated; 
oval tentacles very large; gills in close transverse rows; sides 
of the foot rounded. 
[FAMILY HoLiIpZ. | 
MADRELLA, Alder and Hancock, 1863. 
Type, M. ferruginosa, Ald. and Han. India. 
Animal ovate, depressed, with a distinet cloak. Dorsal ten- 
tacles with the upper portion papillated: no oral tentacles. Head 
broad, with a semilunar veil. Branchiz papillose or linear, 
placed in seyeral rows round the margin of the cloak. Anus 
* See p, 332. 
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