XXXVI. LAND PLANARIANS. 



By Richard H. Whitehouse, M.Sc, Professor of Biology, Agra 

 College, late of Queen's University of Belfast. 



(Plates xxix, xxx.) 



Although this part is dated December, 1914, and was com- 

 pletely Drinted off in that month, unexpected delay in the receipt 

 of some of the plates from Europe prevented its pubhcation until 

 January nth, 1915. 



(Plate xxix, figs, i — 3.) 



Nine specimens of this species are included in the collections. 

 It appears to be the commonest Bipalium in the Abor and 

 surrounding country, it having been procured along the whole 

 of the valley of the Dihang River. The animals were found 

 attached to a variety of objects including stones, logs and leaf- 

 stems of plantain, and in districts varying from 600 ft. to 2000 ft. 

 in altitude. 



In shape the animals conform to the t5^pical Bipalium outline 

 with broadly spread semicircular recurrent head-lobes, which in 

 some cases curve so far inwards as to meet the sides of the neck 

 (see fig. 3). The trunk, rather stoutly built, tapers gradually to 

 a pointed extremity. The smallest specimen measured 53 mm. 

 in length and 4 mm. in breadth, while the largest was 92 mm. 

 and 7 mm. in length and breadth respectively; they present a 



