BY DR. H. SCHOTT. 109 



2. ACHORUTES BORNENSIS n. sp. 



Tubercnli very large, in number and position recalling 

 A. muscorum. They are, however, not ray-like in structure, 

 but more uniformly granulated. Granular large, cone-shaped, 

 with exception on the antennae, where they are strikingly 

 small, especially on the two interior joints. 



I have not been able to examine the mouthparts, but believe 

 myself able to see hoop-shaped mandibles shining through, 

 when the preparation is viewed from below. 



Eyes 3 + 3; pigmented and placed on a tubercle in such a 

 way that two are sitting at the lower margin somewhat oblique- 

 ly near each other at a distance not quite equal to the diameter 

 of the cornea, and a third one higher up in the vicinity of the 

 base of the antennae. 



Postantennal organ absent. Ant. organ III consisting of 

 two depressed staffs within a chitinous fold. Ant. IV with a 

 tripartite, retractile terminal organ surrounded by protective 

 setae in hollow shaped papillae. 



The bent sensitive setae number 7, the superior one smaller 

 than the other ones and visible only from the ventral side. It 

 seems also to be fixed on Ant. III. The setae are of three 

 different kinds : robust and comparatively short ones, very 

 thinly serrated ones with lancet-shaped, sharp points, long ones 

 with thread points and very fine feeble, simple ones (setae 

 sensualesV In the first two kinds the chitin is yellow, in the 

 other ones white, vitreous. On Ant. I and II all the different 

 kinds of setae are represented, on Ant. Ill and IV only the last 

 kind. Tuberculi richly beset wdth setae to such an extent that 

 the body under the microscope appears entirely spinous. A 

 seta sensualis is ahvays to be found on each tubercle. Claw 

 with a strong internal tooth near the base of the joint. 



Coloration. Of this species there are two specimens, both 

 slightly damaged ; one has been treated by potash solution, the 

 other kept in a glycerine-separate. The colour of the body is 

 dirty w'hite, but according to a note by Dr. Mjoberg the living 

 animal is pinkish and very sluggish in its movements. Length 

 3 mm. 



Locality. Mt. Murud, 6000 feet. 



Remarks. The present species is easily distinguished from 

 other species with pigmented eyes, 3 + 3. 



A . muscorum for instance differs among other things by the 

 sculpture of the tuberculi, the distance between the eyes and 

 the hairs. It differs from Neanura pudihunda Imms by the 



