58 Zoological Societij. 



blowpipe near tlie opening of the scapula, in the cellular substance 

 under the skin, and soon detected a small opening that conducted 

 the air to the pouch, which was readily inflated by blowing through 

 the opening, and so long as it was shut the pouch continued dis- 

 tended. That this opening was not artificial, — the effect of the 

 rupture of the fine membrane lining the air-bladder, — was evident 

 from its not opening directly into it, but only after a passage of 

 some length, gradually enlarging. That this was the sole opening 

 into the pouch appears proved from the fact that after detaching 

 the sac from all the parts beneath, i. e. from all the parts excepting 

 the skin, it did not permit the gas to escape except by this open- 

 ing, and that it continued to be capable of inflation from it. I was 

 satisfied in discovering it on one side ; and of course inferred that it 

 was similar on the other, the opening of the scapula being similar." 



At the request of the Chairman, Mr. Martin read the following 

 notes of the dissection of a female Testiido Grceca, Linn., which died 

 in the possession of Oct. Morgan, Esq. The animal was of the 

 usual size, its dimensions being as follows : the carapace in length 

 13 inches ; the plastron Q\ inches in length ; and the circumference 

 of the shell, 18 inches. 



" The plastron being removed, the viscus which first attracted 

 notice was the liver, of large dimensions, stretching across from side 

 to side, and quite covering the stomach. Its structure was very 

 firm, and its colour a dull ochre. It consisted of two lobes, both 

 deeply fissured. In the cleft of the right lobe was situated the gall- 

 bladder, of the size of a large nut, and containing green bile. The 

 cystic and hepatic ducts united, and entered the duodenum 1^ inch 

 below the pylorus. 



" On the liver being turned aside, the stomach presented itself; its 

 coats were firm and thick, especially in the pyloric portion, which 

 was produced long and narrow to the extent of 3| inches ; the 

 total length of the stomach was 6^ inches. 



" The small intestines, remarkable also for their firmness, mea- 

 sured 2 feet 8 inches in length, and terminated in large intestines 

 very little exceeding them in circumference. In the Testvdo In- 

 dica lately dissected, there was no ccecuju ; but in the present 

 species the ca;cuin existed ; its form was globular. On the left side 

 the large intestine assumed a sigmoid flexure with a bold sweeping 

 fold, and then took on a straight and short course to the cloaca ; 

 the length of the large intestines was 1 foot 8 inches. They con- 

 tained feculent matter in small quantitj^, consisting of fibrous vege- 

 table substance. There were no longitudinal bands. 



" The cloaca, into which opened the bladder and oviducts, was 

 in length 2 or 3 inches. The bladder in the present instance 

 did not exhibit that immense volume which was so remarkable in 

 the Test. Indica : it was of a moderate size ; both in this respect and 

 in figure resembling a pear. It was united to the sides of the upper 

 shell by a broad peritoneal ligament, and was connected also to the 

 pelvis by several fibrous bands. Its coats were extremely thin and 

 fibrous; and it contained a small quantity of thick fluid. 



" The 



