62 CRICKET-LOCUSTS (GRYLLACRIDAE). 



from it, however, by the above given characters. The 

 Malaysian species of Neanias may be tabulated as follov^s : — 



Key to the Malaysian species of Neanias. 



(from Tonkin to New Guinea). 



1. Tegmina a little shorter than pronotum, more than 3 mm. long. 



Subgen. Neanias Br. 



2. Hind femora with 10 spines on inner, 6--8 on outer margin. 



Cf subgenital plate produced in the middle of hind margin 



into a narrow lobe which is dilated and slightly bilobate at 



apex. Patria : New Guinea. N. lobatus Brunner. 



2'. Hind femora with 6--7 spines on either margin, cf subgenital 



plate with broadly rounded hind margin. Patria : Benkulen 



(Sumatra). N. subapterus Karny. 



1'. Tegmina quite vestigial, much shorter than the pronotum, not longer 



than 1 mm. or quite lacking. Subgen. Eremus Br. 



2. Fastigium of vertex fully twice as wide as the first antennal joint. 



3. Size smaller. Vestigial tegmina present (cfj. Hind femora 



with 10 spines on outer, 15 on inner margin. Patria-: 



Eastern Java. N. (E.) jacobsoni Griff. 



3'. Size larger. Tegmina lacking throughout (9)- Hind femora 



with 4—5 spines on outer, 8--10 on inner margin. Patria : 



Mt. Murud (Sarawak, Borneo). N. (E.) borneensis Karny. 



2'. Fastigium verticis distinctly less than twice as wide as the 



first antennal joint. 



3. General colour tawny, darker above, with a distinct pale 



length band on the thorax and the basal abdominal segments. 



4. Hind femora with 4--5 concolorous spines on either margin. 



Hind tibiae 4-spined on either margin. Patria : Phihp- 



pines. N. (E.) philippinus Griff. 



4'. Spines of hind femora dark at tips. Hind tibiae with 5-8 



spines on either margin. 



5. Hind femora with 6-7 spines outside, 8-9 inside. 



Tegmina 1 mm. long (9)- Patria: Western Java. 



N. (E.) javanicus Karny. 



5'. Hind femora with 4 spines on outer, 12 on inner 



margin. Tegmina 0.3 mm. long (cf). Patria : Tonkin. 



N. (E.) fruhstorferi Griff. 



3'. General colour testaceous, infuscate above, tipwards black. 



Antennal scrobes narrowly dark bordered. Hind femora 



with 8-10 spines on either margin. Patria : China. 



N. (E.) fusco-tcrminatus Brvmner. 



Explanation of Plate 2. 



Fig. 1. Gryllacris teuthroides n. sp., lateral view, natural size. 

 ,, 2. Gryllacris fasciculata rotundata n. subsp. dorsal view, 



natural size. 

 ,, 3, 3a. Gryllacris mjobergi n. sp. IJ times enlarged. 3 dorsal 



view, 3a frontal view of the head. 

 ,, 4, 4a. Gryllacris pumila n. sp. twice enlarged. 4 dorsal view, 



4a frontal view of the head. 



