}^'J2 Occasional Papers Bcniicc I'. Bis!inf> Museum 



but two s])ccics and coninicnt on a third, aparcntly a distinct, 

 form. W'c l)elic\-e tliat, of the eleven s])ecies deseril)ed, most 

 are synonyms, based on featmx's which, though often showing 

 marked (hfferences, will be found on more thorough investigation 

 to be valueless from a specific or even from a racial standpoint. 

 In fact it may develop that but a single plastic species exists, 

 breaking into many more or less intergrading phases. 



Several aberrant specimens in the present series, discussed 

 below, would each be described as representing a new species, 

 were the condition as indicated above not understood. 



The prol)lem can he adequately worked out only by a student 

 resident in the Hawaiian islands. To one interested in Orthoptera 

 this should prove a most attractive, though dit^cult, task. 



Leptogryllus forficularis Rrunner (Plate xxvii, lo and ii.) 



1895. FrogiiafJwgryllus forficiilaris Urunner, Proc. Zool. 

 Soc. London, 1895, p. 897. [ $ ; Ivona, Flawaii, at 3000 

 feet.] 



Niulii, Hawaii, V, 22, 1917- (O. H. Swezey), 1$, [ITcbard 



Coll.]. 

 Waimea District, Hawaii, X, 20, 19 12, (O. PI. Swezey), 



I 5, [H. S. P. A.]. 

 Olaa District, Hawaii, 2500 feet, (W. H. Ashmead), 1$, 



I 9, [U. S. N. M.]. ^ 

 ]\Iount Kaala, Oahu, III, 4 to IX, 26, 1916 to 1920, (Swezey; 



Bridwellj, I,?, 39. [II. S. P. A.. Pishop Mus. and 



Plebard Colls.]. 

 Lanihuli, Oahu, IX, 3, 1916, (J. C. Bridwell), li, [Bishop 



Mus.]. 

 Mount Konahuanui, Oahu, II, 22, 1914, (O. H. Swezey), i S , 



[H. S. P. A.]. 

 Kanmuohona Ridge, Oahu, X, 26, 1913, (O. H. Swezey; from 



Labordia), i juv. ?$, [Hebard Coll.]. 



[70] 



