870 Asiatic Society. [No. 129. 



By Mr. Piddington, we have been favored with a male specimen, and by our Se- 

 cretary with a female, of an Agama common in the neighbourhood, appertaining to 

 the subdivision Calotes, being probably the C. Tiedmani, Kaup, Isis, XX, t. 8, as 

 quoted in Gray's Synopsis Reptilium appended to the 9th Volume of Griffith's 

 Animal Kingdom', where the following synonymes are attached, Agama versico- 

 lor, Daudin, t. 44, A. flavigularis, Daudin, and A. Indica, Gray. This species averages 

 fifteen inches in length, whereof the tail exceeds eleven inches and a half; the longi- 

 tudinal series of vertical scales forming its nuchal crest are tolerably elevated, those 

 along the back are much smaller, and at the base of the tail they are nearly obsolete ; 

 there is also another series above each ear, divided into two groups, each of which has 

 a single pointed scale longer than the rest. Colour changeable, but usually vivid- 

 green, more or less tinged with yellowish, especially on the sidles ; beneath, whitish, 

 the throat of the male often bright red : the markings also vary, but when well brought 

 out consist of a row of large quadrangular spots along the back, changing from 

 yellowish-brown more or less black-edged to wholly black, and a similar row along 

 each side, between which and the former the ground-tint forms in some a pale band. 

 The very long tail of this beautiful little animal is commonly raised to curve over the 

 back. " It is the liveliest by far," remarks Mr. Torrens, "of the Lizard tribe that 

 I ever saw : its motion is a most rapid darting run for from six to twelve yards, stand- 

 ing high on the fore-legs, and carrying its head singularly erect; it then comes to 

 a dead stop, and remains motionless with the head erect for sometimes a minute and a 

 half, when the rapid motion is resumed to be succeeded by a similar halt : it is very 

 active, leaping from the ground upon shrubs, and its demeanour is markedly viva- 

 cious. This specimen I have watched for some weeks : it frequented a flower-pot 

 opposite my dressing room, and seemed to harbour under a particular shrub." 



Our Museum contains also a single example of a species closely allied, but nearly 

 as large again, with the nuchal and dorsal crests more developed ; this I presume 

 to be C. ophiomackus, Kaup, v. Lacerta calotes of Seba and Linnaeus, whereof the 

 colour should be brilliant blue, but the fine tints of these animals wholly fade in 

 specimens consigned to spirits. 



From J. Baker Esq., Civil Surgeon of Noacolly (Bullooah), near Calcutta, has 

 been received a species of Trigonocephalies, stated by him to be of rare occurrence, at 

 least in this district. It appears to be nearly allied to TV. erythrurus, Cantor, 

 P. Z. S., 1839, p. 31, (which also is indigenous to the Gangetic delta,) having the 

 same number of abdominal plates and subcaudal scutellcs ; but the tail has merely 

 a very faint reddish tinge, and there is no black serrated line enclosing the abdominal 

 plates. Length thirty-two inches, of which the tail, posterior to the vent, measures 

 lour inches and three quarters. Colour wholly dark grass-green above, beneath green- 

 ish white, the tint deepening towards the vent and along the under surface of the tail ; 

 sides of upper lip, and below ears, bluish ; and wholly without markings, through the 

 lateral row of scales bordering the abdominal plates are lighter-green than those above 

 them, and may form a line more or less defined in younger specimens. 



The only additional examples of this genus we possess consist of two small and pro- 

 bably young specimens, nearly allied to each other and to the above, and possessing 

 the same number of abdominal plates. One, measuring twenty-three inches and a half, 

 of which the tail is four inches and a half, and consequently longer in proportion than 



