HOMBRONIA. 239 



and tail, is similarly black and white speckled. The throat and head 

 beneath are densely speckled with black ; the abdomen and under 

 surface of the tail being unicolor, of a light yellowish hue. The labials 

 exhibiting a saffron reflect. 



Loc. Bay of Islands, New Zealand. Brought to the exploring party 

 on the 29th of February, 1840, when a colored sketch from life was 

 made by Mr. Drayton. 



Plate XXVI, fig. 9, represents Cydodina aenea, size of life, 



Fig. 10, the upper surface of the head ; 



Fig. 11, a profile; and, 



Fig. 12, an under view of the same region, 



Fig. 13, the left hand from above ; 



Fig. 14, the same hand from beneath. 



Fig. 15, a group of dorsal scales ; 



Fig. 16, a group of abdominal scales. 



Figs. 10-16 are somewhat magnified. 



GENUS HOMBRONIA, GIRARD. 



CHAR. GEN. Corpore subtetragonali et depresso; squamis modicls et 

 atriatis cooperto, qiiarum duae praeanales sunt reliquis majores. 

 Capite depresso, subtriangulari. Scittis parietalibus duobus ; scuto 

 occipitali mediano sejuncto ; latero-occipitalibus duobus. Nare in 

 sciito uno ; scuds supranasalibus nullis. Dentibus maxillaribm sub- 

 conicis ; palatirds nullis. Palpebra infer tori disco translucido prae- 

 dita. Apert ura auditor ia simplici ; tympa.no sat prof unde sito. Mem- 

 bris debilibus, valde distantibus ; in unoquoque membro quinque digitis 

 inaequalibus, subtus scutellis transversis et carinatis praeditis ; palmin 

 et plantis grantilosis. Cauda longa, sat robusta, subcylindrica, 

 squamis subaequalibus cooperta. 



GEN. CHAR. Body subtetragonat and depressed, protected by mode- 

 rate and striated scales ; the two preanal ones larger than the rest. 

 Head depressed, subtriangular. Two parietal plates. A middle occi- 

 pital, and two latero-occipitals. Nostril in one plate ; no supra- 

 nasals. Maxillary teeth subconical. Palate toothless. Lower eye- 

 lid with a transparent disk. Auricular aperture simple ; tympanum 

 rather deeply seated. Limbs weak, far apart ; five fingers and five 



