Hi). DANIU. 283 



b, c, d-e, f-h. Adult and hall'-grown. Ceylon. 

 i-m. Fine specimens. Nilgherries. Purchased of Mr. Day (erro- 

 neously named by him " Pamdanio auroUneatiis "). 

 H. Young. Northern India. Presented by Lieut.-Col. Playfair. 



Dr. Bleekcr, I. c, distinguishes two species from Ceylon — an ele- 

 vated form, D. lineolatas, with L. lat. 37 and A. 17-18, and an 

 elongate form with L. lat. 34 and A. 15-16. These differential 

 characters do not hold good, and happen to be exactly reversed in 

 our specimens. 



4. Danio alburnus 



Chela alburna, Heckel, Fische Kasclnnirs, p. 390, c. tig. 

 D. 13. A. 16. V. 9 L. lat. 37. L. transv. 7/?. 

 Barbels none (?). The length of the head is one-fifth of the total 

 (without caudal), the height of the body two-sevenths. Cleft of the 

 mouth not quite extending to below the nostrils. Coloration uni- 

 form, (i/ec/i.) 

 Bombay. 



5. Danio malabaricus. 



Perilampus malabaricus, Jcrdon, Madr. Joxni. Lit. (Sf- &: xv. 1849, 



p. 325. 

 Perilampus aurolineatus, Dfij/, Proc. Zool. Soc. 1865, p. 30(5. 

 Paradanio aurolineatus, Blecker, in Dai/s Fish. Malah. p. 219, pi. 17. 



fig. 2. 



D. 14. A. 18. L. lat. 34. L. transv. 8|/4. 



The upper barbels only are present, and half as long as the eye*. 

 The height of the body is one-third, or rather more tham one- 

 third, of the total length (without caudal), the length of the head 

 one-fourth. Sides of the body with narrow, straight, bluish streaks ; 

 end of the tail and middle of caudal fin with a broad bluish longi- 

 tudinal band. 



Malabar. 



a, h-c. Three of the typical specimens of P. aurolineatus. From 

 the Collections of Dr. Bleeker and Surgeon Day. 



6. Danio nilgherriensis. 

 I'aradanio neilglierrieusis, Day, Proc. Zool. Soc. 1867, p. 296. 

 D. 12-13. A. 13-14. L. lat. 35. L. transv. ^". 



The upper barbels only are present and quite rudimentary f. The 

 height of the body is nearly equal to the length of the head, and 

 one-fourth, or rather less than one-fourth, of the total (without 

 caiidal). A steel-blue band along the middle of the tail. 



Nilgherries. 



a-d. Four of the typical specimens. Purchased of Mr. Day. 



* They have escaped the notice of Bleeker, who, cousistciitly cuougli, at ciuc 

 formed a new generic name, Paradanio ! 



+ They have been overlooked by Mr. Day — Paradanio'. 



