344 PKOCEEDINGS OF THK MALACOLOGICAI, SOCIETiT. 



mottlings of dark reddish-brown. The epidermis peels off xerj readily, 

 and it is possible that the brown mottlings may have been much more 

 extensive or even that the dorsal surface may have been wholly brown. 

 It is quite smooth and presents no trace of warts or granulations. 

 The foot is large, and the anterior margin is not grooved. The oral 

 tentacles are white : large, flat, and distinctly grooved. The 

 rhinophores are purplish-brown and provided with sheaths l'5mm. 

 high. The rim of the branchial pocket is flattened as preserved, but 

 was probably raised in life. The branchiae are purplish-brown, but 

 the outside of the stems is whitish. They arc tripinnate, much 

 contracted, and apparently consist of five or six plumes, the division in 

 one place not being clear. 



The intestines are yellow, much hardened, and not well preserved, 

 but the arrangement of the alimentary tract, which is remarkable, 

 IS quite plain, and appears to be natural and not the result of 

 distortion. The rather long and straight oesopliagus runs to the 

 hinder part of the stomach and enters it on the right side. The 

 stomach, which is somewhat elongate, lies parallel to the oesophagus 

 on its left side; the long intestine issues from the anterior part of the 

 stomach, runs across and above the oesophagus, and then describes 

 a large loop along the right side of the liver. It may possibly be 

 more correct to regard the slight swelling at the base of the oesophagus 

 as the true stomach, but the natural description of the organ seems to 

 me to be that given above. The stomach lies partly in a cleft of the 

 liver, but is not enclosed by it. The oesophagus is lined with soft 

 lamince, and the upper wall of the stomach bears very ample laminae 

 which almost fill it. They are collected in groups so as to form seven 

 ridges. They are strongest near the exit of the intestine, where they 

 seem to act as valves. 



A blood-gland was found and two small elliptical salivary glands. 

 They enter the buccal mass in the usual place through their short 

 ducts, and also seem to taper into a thread-like process at the distal ends. 

 In the central nervous system the cerebro-pleural ganglia are distinctly 

 divided into two parts. The pedal ganglia are large and round. 



The labial cuticle is darker in some places than in others, but 

 presents nothing that can be called a labial armatui-e. The formula of 

 the radula is about 23 x 60 . . 60. The innermost teeth have long 

 bases and lower hooks than the rest. The teeth increase in size up to 

 the middle of the half-row, where they are large, simply hamate, and 

 rather erect. Towards the end of the half-row thej' decrease in size, 

 and have low, strongly bent, irregular hooks, but are not denticulate. 

 No spines or other armature could be found in the genitalia, which 

 were, however, too much hardened to admit of a proper examination. 



Doris granulosa, Abraham. 



Doris granulosa, Abraham : Proc. Zool. Soc, p. 253, pi. xxix, 



figs. 1-3, 1877. 



Several specimens of this form are in the British Museum, and 



appear to correspond with Abraham's description of the external 



characters. I opened two, but found the internal organs, including 



