Tin: IIATUACIIIA OI" NOIMII AMKKICA. 



r.r 



45/ 



(M'lltioil, 



oiusi^ of 



; till' :iii 

 rn'stiii::, 



•(' <»r iIm' 



\X()l(>tls, 



i.r I'lfsii 



slioii;;cr 

 lliy I'lMiil, 

 list'tinnnl 

 ii's; tlit'.v 

 , witliiiiil 

 il a p;ilf 



tll(> MIClil 



waU'r in 



, aiiti ils 



('ration III' 

 alii(;li till' 



lul Ix'aiili 

 mav ('\i>i 

 iicir i'tVirt 

 tancc, till' 

 liait' of II 

 iiu> all till' 



SIlltjtM't 111 



ly (Iciiiiiii 

 ay or twn. 

 •hf witliiii 

 • mnU'r till' 



, WOlllli 111' 



atcil ii|iiiii 

 m1 aiiiiiiiils 

 iidcr lo;;s, 

 )in it. On 

 a<;'aiii ami 

 I'ckt'd. ami 

 iiion^ |iii>l< 

 , tlu' lar-f 

 tlie (lillVr 



i 



cut iipiH'araiH'c of tlio two was very strikiiifj upon the most siipcrllcial 

 I'Naniinatioii. 



"One (lay in .luly the wliolc north half oC tliis pond su(l(h'nly ran 

 dry; and I ninst coiit'css the si^'lit its liottoui presented dnrin;; the t'ol- 

 lii\\iii;,' day was one of the most extraordinary, and at the same time 

 most interest in <;, that I ever beheld, and after what has Iteen said can 

 he hfttcr inii'^iined than described. It absolutely swarmed with these 

 cicaliires, whose orj;anizations were a(;commodatin<; Ihemsel es to th(^ 

 new coiiilitioii ot alVairs as rapidly as tin'! laws <;(»\('rninn- the changes 

 |ii I'Miilti'd. The study would have furnished food for a small volume. 



"Axolotis are also alVeeted by the (;haracter of thi> ponds ov swamps 

 ihtv live in, the sanu> spe(Mes sho\vin<;all manner of shades in their col- 

 Illation. Those in shallow ponds, with little or no ve;;etati(Mi and hard 

 clay bnttoms, ;,M'ow to be veiy lij,dit colored, and long retain their larval 

 forms. 



»• No doubt many such ponds as I have described exist all over this 

 South western country, and a nH)meiit's reflect ion will mak(; it clear to 

 lis hiiw the metaniorphnsis of this (feature tends to save thousands of 

 ihcir lives when the region is visited by a protiacted drou;;ht and 

 their places of water resort tail them The preservation of the form is 

 linn liy to a great extent protected." 



A g I many of the adults piocured by Dr. Shul'eldt dilVcr from the 



I \ piral to: III in the shortness of the tail ; its length from the posterior 

 (III) of the vent e(pialing the length from that point to the axilla. 



("IIONDlJOTfS (•IN(ifLATfS <'(iih'(|). 100). 



The following tigiues of this specie.s were unavoidably omitted from 

 Ihi'ii proper jilaccs in the text: 



I'l'.. 110 Chilulii.liii: riiiinliltiii:. N'ci liThfi. A lilicv illi- S. (". : f. 



Sl'KI.ERI'KS HI:HI:R naii.l. (p. 17-J). 



Dr. Chailes (1. Abbott informs mo that this species has a distinct 

 whistleliUe voii^-, and stales that Mr. John niirroiighs has also heard it. 



AMI'IIU'MA MKANS flanl. (i.. -JK;). 



SiiliDirliinilnfi!/. — The bulbils arteriosus is of considerable length, and 

 then gives olVau aorta bow on each lide, and bi In icatcs almost imiucdi- 



•J 



^5 



: ! 



• :> 



