78 



1-30 (33), length of zygomatic arch 1-20 (30), inside above 1 (25), 

 below 0*62 (15 5), extent of range from 2nd premolar to last 

 molar in upper jaw 0'G2 (15-5), of molars and pi'emolars in lower 

 jaw 0'60 (15), width outside at 2nd molar — upj^er jaw 0-56 (14), 

 lower jaw 0--45 (11), length of mandible from condyle 1-35 (34), 

 height to point of ascending ramus OS (20), extent of symphysis 

 of lower jaw 0"35 (9), lengtli of free portion of lower incisors 

 0*35 (9), anterior palatal foramen opposite canine and first 

 premolar, length 0'15 (4), canines tubercular, equal in size to first 

 premolar, three incisors of the upper jaw 0*2 (5), space between 

 last upper incisor and first premolar 0'28 (7), between canine and 

 first premolar O'l (2"5). 



This species approaches most nearly to Petaurides volans, var. 

 tnino7' of Oldfield Thomas. (Brit. Mus. Cat. C.) 



Two specimens were obtained by Messrs. Cairn and Grant in 

 1889, on one of the spurs of the Bellenden-Ker Range, N.E. 

 Queensland. 



ON PAKMELLA ETHEEIDGEI, BllAZIER. 



By C. Hedlky, F.L.S., 



Zoologist, Queensland ]\Iuseum, Brisbane. 



(Communicated hy J. Brazier.) 



(Plate xi.) 



In Mr. Etheridge's account of the Museum Expedition to Lord 

 Howe Island, published last year by the Trustees of the Australian 

 Museum, we read (p. 26) tliat "A fine new species of Vitrina 

 was found on the stems and leaf sheaths of the palms growing 

 on the lower grounds {Kentia belmoreana the curly palm, and 

 Kentia forsteriana the thatch palm), and is called by Mr. Brazier 

 Vitrina etheridgei. 



A specimen of this moUusk was courteously communicated to 

 me for anatomical examination by Mr. Brazier, wlio pointed out 

 how closely it answered to the figure and description of Parmella. 

 planata, H. Adams, from Fiji (RZ.S., 1867, p. 308, pi. xix., fig. 20). 

 The smaller size and lighter colour of the shell, added to the 

 difference in habitat, though stress must not be laid upon the 

 latter, incline me to rank Mr. Brazier's species apart from that 

 of Adams'. Whilst the very peculiar shell with its veil of 

 epidermis, like gold beater's skin, descending from the periphery 

 confirms me in Mr. Brazier's opinion that we have here a second 

 species of this long lost genus. 



Fischer states (Man. de Conch., p. 4 GO) tliat no information of 

 the animal has ever been recorded, and that its systematic position 



