LIZARD. 



Though gi:r,n:is are not amphibious, they are faid to keep to defend itfelf, but feems, in fome meafure, ftupificdj 

 under water above an hour. When they fwim they make Like other fpecies of this numerous tnbe, it depofits it. 



no ufe of their feet, but clap them clofe to their body, and 

 guide themfelvcs with their tails. They are fo impatient of 

 cold, that they rarely appear out of their hole| except when 

 the fun fhines llroiigly. 



The h->rn:d guana is a variety of the iguana, and is nearly 

 the fame in lize and general proportions ; the back is fer- 

 rated, and the form of the fcaics is the fame. It wants, 

 however, the throat pouch, and there are in front of the 

 bead, between the eyes and noftrils, large fcaly tubercles, 

 behind which there is a bony conical procefs, which is co- 

 vered with a fingle fcale. It is a native of St. Domingo, 

 ■where it is common. 



C.VLOTES ; Galeot lir.ard. Tail long and round ; back 

 de-stated on the fore part, and the head on the hind part. 



The animals of this fpecies feldom exceed a foot and a 

 half in length, from the tip of the nofe to the e.^ctremity of 



eggs in the fand, on the banks of the rivers which it fre- 

 quents. The eggs, while in the body of the animal, are 

 difpofcd in two long groups or clufiers, and are of a yel-' 

 lov/ colour; but wiien excluded, they are white and 

 oblong. 



This lizard appears in fome degree to form a connedV- 

 ing link between the guana and the^bafilifc. The male and 

 female differ confiderably in lize and in the diftribution of 

 their colours ; the female being of a more obfcure tinge 

 than the male, and having but little appearance of the 

 creft or procefs on the tail. It has been differed, and a 

 fmall triangular heart found within it : an oblong liver, 

 with a round gall-bladder; fmall reddi(h lunga, fliglitly 

 tinged with lead-colour ; a narrow, whitifli ftomach, coated, 

 or enveloped in fat, and large inteftines, in which were 

 difcovered the berries and feeds of certain aquatic ihrubs, 

 the tail, but in other refpefts the calotes refembles the com- together with fome fmall femi-tranfparent pebbles, and a 

 mon guana. It wants the pouch, and in its place there is kind of worms not unhke millepedes. There was a fine 

 only a flight enlargement of the throat : the colour is com- fpecimen of this fpecies in the Mufeum of the late Mr, 

 monly of an elegant bright blue, variegated with broud, ir- John Hunter. 



regular, white, tranfvc-rfe bands on each fide of the body and Agama ; American galeot. Tail long, round; the upper 

 tail. The limbs are flender, and tliis is particularly the caft; part of the neck, and the back of the head, are aculeated • 

 with the toes. It is a native of the warmer regions of fcales of the hind head reverfed. This fpecies refembles 

 Africa, Afia, and many of the Indian iflands. It is very in fome refpefts, the calotes : but it wants the ftrontJ- ferra- 

 common in Ceylon. It is faid to be found in Spain, where tures on the back, inftead of which it has onlv a fmall 

 it wander? about the tops of houfes in fearch of fpiders. denticulated carina. The head is proportionally larger. 



There is a variety, of which the body above is livid, and and on the back part it is furnilhed with - fharp-pointed. 

 beneath green : and a fecond, the neck of which is covered fcales, fome of which are reverfed at the extremities. The 

 with broad obtufe prickles. colour is browniih, and varioufly clouded. In the male,, 



SuPERCiLiosA ; Fringed lizard. Tail carinated ; back the creft. on the back is compofed of longer fpines, and 

 and eye-brows ciliated, with upright lanceolated fcales. It extends to the lower part. It is found in different parts of 

 inhabits South America and India. South America and in the Weft Indian iflands. 



The general appearance of this fpecies bears fome refem- There is a variety of this fpecies named the muricated 

 blance to the guana, and ftill more to the variety defcribed lizard. The tail is long, round ; body greyifh ; fcales ca- 

 as the horned guana, in having; the appearance of a pair of rinatcd and (harp pointed. This lizard meafures a foot 

 fharp-pointed horn-hke procefl'es above and beyond each eye ; or more in length. The want of the reverfe fcales on the 

 between thefe are placed fome aculeated fcales. back part of the head conftitutes the principal diiTerence 



ScuTATA ; Shielded lizard. Tail fub-compreffed, mo- between this and the calotes. It is found in New South 



' Wales. 



Umbra ; Clouded lizard. Tail round, long ; nape fub- 

 crelled ; hind-head callous ; back (Iriated. Tliis is found in. 

 the fouthern parts of America :. the body is clouded ; fcales 

 keeled, and daggered at the tip, head more obtufe ani 

 round than others of its tribe : the callus on the hind part 

 of the head is large and naked : under the throat is a deep 

 fold. 



Marmohea ; Marbled lizard. Tail round, long ; throat 



derately long ; dorfal future toothed ; hind-head with two 

 fharp fcales. It inhabits Atia. This fpecies is di.tinguilhed 

 from the fringed lizard by having a pr6portionably larger 

 head, and a row of fcales more elevated than the rell, paff- 

 ing over each eye ; and from thefe a ridge is continued to- 

 wards the back, in form of a denticulated creft to the 

 beginning of the tail. The body is covered with fmall 

 acuminated fcales; the limbs and tail with larger ones. This 

 is a native of Ceylon 



Amboinexsis ; the Amboina lizard. Tail compreffed, fubcrefted, dentate on the fore-part ; back fmooth. It 



long, with a radiate fin ; dorfal future toothed. This fpe- 

 cies, which fometimes grows to the length of three feet, is 

 diftinguiflied by the Angularity of its appearance, and the 

 beauty of its colours. Tiie head and neck are green, and 

 variegated with white tranfverfe unduLuions. The back 

 and tail are brown, with a (hade of purple. The fides 

 and belly are greyilh, or pale brown, the head is tubercu- 

 lated above, and covered with roundilh fcales ; the mouth 

 is wide, and the teeth are Iharp and numerous. 



It is a native of the Eift Indies, but is found mufl fre- 

 quently in the ifland of Amboina, frequenting the neigh- 

 bourhood of rivers and other frelh waters. It is often feen 



found in America, and alfo in Spain. Its body is com- 

 prefl'ed ; tail ftreaked, and the claws are black above. 



Cristata ; Crefted lizard. Tail lanced, (hort, pinnate j. 

 backcrefttd; body porous, naked. It is of a reddifli-brown 

 with lead-colour fpots ; creft reaching from the head to the 

 tail ; the head is very thick, obtufe ;. fnqut broad ; feet 

 cleft ; four toes on the front feet and five on the hinder 

 ones ; tail bordered on each fide with a membrane. 



Section E, Body naked ; feet unarmed; fore-feet four>- 

 toed. 



on the bunks of rifing grounds, and on low fhrubs which 



Species. 



American.*. Tail lanceolate, middle-fized r back 



grow, near the water. Whin.-ver it is difhirbedby the ap- fringed ; belly fpotted with yellow; it is only about four 

 proach of men or oiher animals, it plunges into the neareft or five inches long, and is found in Amenca. The fore- 

 water and conceals itfelf beneath the rocks, or ftones under part of the head is rounded ; fnout broad ; body dufky 

 the banks. It may be eafily uken, as il does not attempt blueifli, beneath yellow fjpotted with black, lides pale ochre y 



