52 



lUJLLETlN ;;i, nNITi:i» STAIKS national MTSKIiM. 



soiitliwiuds oil tlMi Mi'xiciiii pliitvHU as lar as the Cit.v o( Me.\ic(». Tlio 

 reiiiiiiuiny species are distiibiited as lollows: 



Eastkun Kkcion.— -i. oixiriim : A. piiiiclahim : .1. vun.-<ii<r'iiiiii : .1. hintUir : A. ruin: 

 aiiiim (.').• J. I i<j rill It III ; A. jiphiat ; A.Jvffirxiiiiiiiiiiiiii. 



AisriioKirAKiAN Ki;(ii(i.\.— ./. luliioiilvnm. 



Ckntkai- liiaiioN.— ./. I ill fill II in: A. trixniiiliiiii. 



Tacii-'iu liKiiloN.— .1 I'ljriiiim : A. mnci-mUiilijliiin : A. iiiijuiilliiiin. 



As but one speciineii of the A. co^icanKiii is Uiiowii, lit lie can be said 

 of its distribiitioij. 



AMHLVSTOMA TAl.l'OlDKIM llollin.cik. 



Giiiy. Cital. liiitr. (iiiul. IJiil. Mils., isr.d, \>. lit;; Diiiiicnl A I'.iliniii, Kip. 

 (Jen., VIII, p. lU'.l; Cope, I'liKct;!!,-.. Acini. l'liil:i.. l-liT, p. 17-J; SI niiicli, 

 (S:il;iiii..fi:i: ISimlnigcr, Cutal. liatr.lJrad. I'.rit. Mils., ii eil.,l"<.i:.', p. 10. 

 iSalaiiiiimlia laljinidm IhiHuook, N. Aiiicr. lltiip., \, 7;i, I'l. ','1. 



Siiortest, stoutest, and most cluiiisilv furiiu'd of all the tenestiial 

 Ambli/fifiiiiialu. Character of skin as to },'laiids pits, etc., much as in 

 A. punvtiitiim and (iiHUum. A row of lar^'e |»ores on the head, interior 

 to the eye and nostrils, extending;' anterior to the; latter. This i>asses 

 behind and beneath the eye, reachinjjf forward nearly to the nostril: a 

 patch on the cheeks above the lateral j^roove and another below it, 

 probably oxtendinj;' lorwai'd aloiifi; the lower Jaw. 



The head is very broad, and laifj^e, and is wider than the body anterior 

 to the constriction at the neck. Its width is about eipial to the distance 

 from snout to gular fold (thus wider than Ion;;;, and is contained about 

 ;3.] times to the j^'roin. The eyes are sujierior and ratln^r small, separated 

 anteriorly by nearly tlii'ee len;4ths of the orltit; about oik^ orbit froi!i 

 the nostrils, which are separated about 1.] orbits. The mu/zle is rather 

 an^'ular. The ui»per Jaw is visible beyond the lower when viewed from 

 below. 



The body is short, siiurtt, and depre.s.sed. There are 10 costal i^ioov «'s 

 on the side. 



The tail is contained about 1.] times in the rest of the animal. It is 

 much as in .1. oixtcum, but hi^ij^her, thou;-!! witiiout a crest. 



The dij-its are rather Iou{,' and slender, .scarcely dilVerent from those 

 of A. opftcum. 



The i)alatine teeth are in a transver.se series of three sections. The 

 middle .section is not interriii»(ed alon;;' the median line. In the type 

 it is slightly concave anteriorly, .scarcely ivachiiijn to the inner line of 

 the inner n arcs, and behind the rani^c of the lateral sections, which 

 beyin a little interior to the outer line of the nostrils. The middle and 

 lateral sections are separated by the width of the inner nostril. In 

 another specimen the middle patch is nearly strai,i,Mit ; in another, com 

 po.sed of two ares concave anteriorly. 



The tongue is thick, fleshy, and adherent, though the edges are free 

 at the sides; le.sssoat the tip. Its width is not niT-lhun half that of 

 the head. The papillo.se i»ortion is separated itosteriorly by the exten- 



1 



N'li. Ill 

 liiii'. 



