. The Batrachia of North America [microform]. Amphibians; Amphibiens. Tin: IIATUACIIIA OI" NOIMII AMKKICA. 45/ (M'lltioil, oiusi^ of ; till' :iii rn'stiii::, •(' tls, 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 al< , tlu' lar-f tlie (lillVr i cut iipiH'araiH
. The Batrachia of North America [microform]. Amphibians; Amphibiens. Tin: IIATUACIIIA OI" NOIMII AMKKICA. 45/ (M'lltioil, oiusi^ of ; till' :iii rn'stiii::, •(' tls, 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 al< , 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 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 ; 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
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Keywords: ., bookcentury1800, bookdecade1880, bookpubli, booksubjectamphibians
