4 Mr. Blyth's Commentary 



markable for having narrow white mesial streaks to the feathers 

 of the nape (of which I could perceive no trace in Arakan speci- 

 mens), and similar well-defined but wider streaks on the dark 

 ash-coloured sides of the breast, which were little more than 

 indicated in the Arakan specimens examined. Perhaps it is a 

 distinct race, but more probably merely a particularly fine adult 

 specimen of P. hypoleucus, as in the figure cited (taken from a 

 Nipalese example) the stripes on the sides of the breast are 

 fairly developed. Col. Tickell, who procured the Tenasserim 

 specimen, demurs to its being classed, as a Pomatorhinus. He 

 says, " Examine narrowly the bill, which will be found softer in 

 texture (this, however, in a dry skin cannot be well perceived) 

 and subcylindrical, whereas Pomatorhinus has the bill exceed- 

 ingly compressed and hard. Then the shape of the head with 

 its flat sinciput, and the fan-like broad tail.'^ Should it be 

 deemed advisable to detach P. hypoleucus from Pomatorhinus, a 

 second and less typical species exists in P. erythrogenys of the 

 Himalaya. 



406. XiPHORHAMPHUs suPERCiLiARis, Blyth; Gould, B. As. 

 pt. ix. pi. 



According to Mr. Hodgson the egg is white. 



426 and 427. Trochalopterum lineatum and T. imbrica- 



TUM. 



The former (and not the latter) is the Cinclosoma setifer of 

 Mr. Hodgson as sent by him to the Calcutta Museum. I have 

 seen numerous specimens from Sikhim and Nipal, but T. imbri- 

 catum only from Butan, though I have long especially looked 

 for it in Darjeeling collections. Dr. Adams (P. Z. S. 1859, 

 p. 182) refers it to Malacocercus \ The form is proximate to 

 Leucodiophron of China and Formosa *. 



408. Garrulax c^rulatus. 



The egg is bright blue, according to Mr. Hodgson. Mr. 

 Swinhoe has a closely allied species, G. pcecilorhyncha, from 



* The Malayan genus Lophocitta, referred to by Dr. Jerdon, I now 

 consider to bear a near affinity to Parus, as does also the African form 

 Eurycephalus, and certainly Falcunculus and Orececa of Australia. 



