1863.] MR. E. BLYTH ON SOME HORNS OF RUMINANTS. 155 



Professor Baird describes the pupil of Xantusia as vertical ; in our 

 genus it is circular. 



This similarity to Xantusia makes it probable that this genus 

 is from Lower California. 



M. Auguste Dumeril, in the ' Revue et Magasin de Zoologie ' for 

 1852, describes and figures a new genus of Saurian under the name 

 oi' Lepidophyma flavimaculata (t. 17), from the province of Peten 

 in Central America, which resembles this Lizard in many particulars; 

 but he particularly says that it has no femoral pores, which he says 

 are found in all the Zonures with which he has compared it. 



M. Dumeril's genus is probably the same as the Xantusia of 

 Baird j but cannot be the same as the one here described, which is 

 pecuhar, not only from having large femoral pores, but pores on the 

 ventral shield as well. 



Mr. E. Blyth exhibited some horns and otlier specimens which had 

 been obligingly lent him for that purpose by the authorities of the 

 South Kensington Museum. 



Among them were a pair of loose horns and odd right and left 

 horns (of different individuals) of a species of Deer that had been 

 presented to Her Majesty by the Siamese Embassy lately in London, 

 and made over to the South Kensington Museum by Her Majesty's 

 command. (See figs., next page.) 



The last were considered by Mr. Blyth to indicate the existence 

 of an undescribed species of Deer, probably inhabiting Siam, which 

 he denominated Cervus or Rucervus schomburgki, in compliment to 

 his distinguished friend. Her Majesty's representative at the court of 

 Bangkok. He had seen a similar pair of horns upon the frontlet, in 

 Calcutta, in the possession of a sailor, who was unable to inform him 

 of their origin ; but Mr. Blyth had considered that pair, at the time, 

 to represent a remarkable variety of horn of the Rucervus duvaucelii 

 of Lidia. The occurrence, however, of horns of three additional indi- 

 viduals of the same type, and the region from which they were all but 

 certainly brought, induced him to believe that they indicated a veri- 

 table species, separated in its geographic range from that of R. du- 

 vaucelii by the intervention of the range of Panolia eldi. The latter 

 extended from the Munipur Valley to that of the Irawadi (the species 

 being common in Lower Pegu), and reappeared in the southern 

 Tenasserim province of Mergui, and in that of Kedda within Siamese 

 territory, a region where the R. duvaucelii or Indian Bara Singha 

 was quite unknown. The horn of R. scho7nburgki much resembled 

 that of the Bara Singha, but was remarkable for the extreme short- 

 ness of the beam, combined with a well-developed crown- and brow- 

 antler, imparting a characteristic aspect. Had it not been for his 

 extreme famiharity with the varieties of horns presented by the 

 various Deer of India and neighbouring countries, Mr. Blyth would 

 scarcely have ventured to consider the Rucervus schomburgki as di- 

 stinct from R. duvaucelii of India, but under the circumstances he 

 did not hesitate in regarding it as a second species of the same pecu- 

 liar type. 



