8G Proceedings of the Zoological Society. 



Genus Cerberus, Cuvier. 



Cerberus cinereus. Verb, superne cinereus fasciis nigris transversalibus, 

 subtus albicans fascia nigra undulatu. 

 Scuta abdominalia 143. 

 Scutella subcaudalia 59. 

 Habitat. Bengal. 



Ash-coloured above, with black transverse bands ; beneath whitish, 

 with a black undulated band. 

 Vernacular name, Jal Ginthea. 



Genus Homalopsis, Khul. 



Homalopsis olivaceus. Horn, superne olivaceus lineis nigris inter squamas 

 variegatus, abdomine albicante, lined media nigra diviso, vittd albo-vires- 

 centi utrinque incluso. 



Scuta abdominalia 167 

 Scutella subcaudalia 71. 

 ' Habitat. Bengal. 



Olive-coloured above, variegated with black lines between the scales ; 

 the abdominal surface whitish, divided in the middle by a black line, and 

 with a greenish-white band on either side. 

 Vernacular name, Metillee. 



" The descriptions and figures of these serpents were made in India 

 in 1835, 1836, and 1837. For the specimens from Assam I am indebted 

 to the kindness of the eminent botanist Mr. William Griffith ; for those 

 from Chirra Punji, to the friendship of Mr. J. W. Grant, of Calcutta. 

 I have also to acknowledge the liberality of Mr. Hodgson, the Hon. 

 Company's Resident at the court of Nepal, who allowed me to publish 

 the undescribed specimens in his collection of Nepalese serpents." 



Ninth Meeting of the British Association for the advance- 

 ment of Science. 



Thursday, August 29. 



Section A. — Mathematical and Physical Science. 



The Secretary read the report of the Committee, consisting of Sir J. 

 Herschell, Mr. Whewell, Mr. Peacock, and Prof. Lloyd, appointed to re- 

 present to Government the resolutions adopted by the Association in 

 August 1838, at Newcastle, recommending that Magnetic Observatories 

 be established in various parts of the British dominions, and that a 

 naval expedition be fitted out for the purpose of determining, by obser- 



