330 AMPHIBIA. 



brevissimi , dente antecedente multo breviores, compresso- 

 triquetri ac distincte trilobi , subaequales, nonus praece- 

 dentium forma tarnen his paullo longior, reliqui omnium validis- 

 simi, robusti, lati, latere externo ac interno convexi, Corona 

 triquetra distincte triloba, undecimus horum omnium Jon- 

 gissimus, sequentes magnitudine paullo decrescentes , mandi- 

 bulares utrinque 20, anteriores solum heterogenei, discreti, 

 duo anteriores brevissimi, Corona simplici recto- truncata, 

 tertius gracilior laniario non dissimilis, antecedentibus multo 

 longior, conico - acuminatus , subreclinatus, simplex 1 ), quar- 

 tus — nonus tertio paullo breviores, aequales, Corona acuta di- 

 stincte triloba , omnes reliqui homogenei, subapproximati, ro- 

 busti, lati, compressi, latere externo et interno convexiusculi, 

 Corona latiuscula , trigona, distinctissime triloba; dentes 

 palatini nulli. 



Genus CNEMIDOPHORÜS. 



Dentes oppositi , primores ossis intermaxillaris 11, 

 parvi, bomogenei, subdiscreti, erecti, subtiliter reclinati, sim- 

 plices, conici, maxillares utrinque 23, a primoribus inter- 

 stitio latiusculo diremti, anteriores 9 subapproximati, admo- 

 dum reclinati, primoribus multo longiores, conico -acuminati, 

 in lateris antici medio obsolete unilobati, horum primus om- 

 nium. minimus, secundus , tertius et quartus longi, his maxil- 

 lares reliqui multo validiores ac longiores, rectiusculi, homo- 

 genei, Corona bi-, ultimi tres sive quatuor Corona triloba; 

 dentes mandibulares utrinque 25, anteriores 8 brevissimi, 

 subtiles, discreti, paullo extrorsum versi et subreclinati, co- 

 nico - acuminati, simplices, his sequentes 9 — 10 sensim majo- 

 res, subreclinati, Corona biloba, reliqui his A-alidiores, erecti, 

 tereti- compressiusculi Corona distincte triloba; dentes pa- 

 latini nulli. 



Genus ACRANTUS. 



Dentes 2 ) oppositi, primores ossis intermaxillaris 6, 

 parvi, homogenei, subdiscreti, erecti, vix conspicue reclinati, 

 simplices, conici, maxillares utrinque 12 , anteriores 3 — 4 

 simplices, conici, sequentes duo compressiusculi, ad latus an- 

 terius versus apicem lobulö acuto aucti, reliqui 5 sive ö magni, 

 approximati, homogenei, Corona admodum dilatata, bicuspidata 

 (ita , ut acumen singulum , simplex in latere externo et interno 

 coronae stet, et quam ob rem inter utrumque acumen fovea pro- 

 funda, medio acie prominula aucta oriatur) ; dentes mandi- 



i) Bisweilen ist dieser Zahn länger als sein folgender Nachbar, aber seine Gestalt 



bleibt dieselbe. 

 j) Ich habe nur bei einem einzigen Exemplare die Zähne gezählt, und kann daher für 



die Richtigkeit der hier angegebenen Zahl derselben nicht ganz sicher stehen. 



