548 REPORT ON ZOOLOGY, MDCCCXLIV. 



New Lizards have been described only by Smith in his 

 ' Illustrations/ 



Corclylus giganteus. Flavo-brunneus iiiferne pallidior, dorso cauda superae 

 extremitatibusque superne fusco-nebulatis ; occipite, temporibusque postice 

 spinis fortibus triangularibus in ordine singiilo armatis ; dorsi squainis leviter 

 carinatis, laterum fortiter spinosis ; cauda superues piuossissinia ; extrenii- 

 tatibus anterioribus inferne squamis tuberculosis; poris femoralibus decein. 

 15". Quathlamba Mountains. 



Gerrhosaurus Bibroni. Superne brunueus lineis duabus sublatis et duabus 

 augustis variegatis, his ad basin caudse, illis versus apicem desinentibus ; 

 mento, gula, capitis lateribus, gutture, extremitatibusque anterioribus interne 

 miniatis ; pectore abdomineque griseo-albis ; scuto occipitali rhombico. 

 10 \". At the springs of Caledon, a tributary of the Orange River. G. 

 x/'lj/i-sxt Ha firs. Dorso navo-brumico, liuea alba brunneaque tessellata in utroque 

 latere marginato ; partibus inferioribus carneis cupreo-viride-tinctis ; corporc 

 fortiter depresso, squainis laevibus. 6". Namaqualand. 



Ac&nthodactylus capensls Mas. Superne flavo-brunneus, lateribus uigro- 

 brunneis, et macularum albarum, seriebus duabus et lineis duabus, lou- 

 gitudinalibus ejusdem coloris variegatis; partibus inferioribus ochraceis ; 

 digitis exteme dentatis. Fern. Superne pallidc aurautius, lateribus 

 rubro-aurantiis, superue inferneque liuea subalbida, inarginatis ; partibus 

 iuferioribus ochraceis, versus latera nigro-brunneo tessellatis. 10 1" Nama- 

 qualand. 



Platysaurus, nov. gen. Teeth short, numerous, narrow ; nasal openings 

 circular, on the posterior and inferior border of the nasal scute ; frontal 

 plate simple; fronto-parietal plates four, as in Cordi/lus ; palpebral plates 

 as in Gerrhosaurus. Body Hat, scales very small, triangular on the abdomen 

 and in transverse rows, femoral pores small but distinct, jugular folds rudi- 

 mentary. PI. capoises, superue, griseo-brmmeus, dorso fasciis tribus, sub- 

 albidis notato ; capite corporeque partiter depressis ; corporis squamis 

 parvis ; poris femoralibus IS; cauda versus basin depressa, versus apiceui 

 cyliudracea ; partibus inferioribus viridi-flavis. 71". Namaqualand. 



Trojridolepisma striatum, Peters (Bericht der Acad. zu Berlin, Is I I, 

 p. 36), appears to me to be Euprepes sechellensis, D. B. 



SERPENTES. 



Of Dumeril and Bibron's Herpetologie generale^ the 

 sixth part appeared in 1844, containing the commencement 

 of the Serpents. After an introduction, in which are 

 detailed the principles upon which all the existing systems 



