82 



Alexander Pcirunkcvitch , 



Ctirculioides scaber (Scudder). 

 Plate VII, figs. 36, 37; text figs. 47, 48. 

 = Geratarhus scahrum Scudder, Mem. Boston Soc. Nat. Hist., 

 Vol. IV, 1890, p. 448, pi. 39, fig. 5. 



The type and only specimen. No. 1765 a b of the Lacoe collection, 

 is at present in the collection of the U. S. National Museum under 

 the number 37965. Scudder has not sufficiently cleaned the spe- 



Fig- 47 



Fig. ^8. 

 Figure ^■j. — Curcitlioides scaber (Scudder), holotype, U. S. X. M. No. 37965, 



dorsal surface. Figure 48. — Same, showing the whole specimen from the 



3 

 ventral side. X y 



cimen of the kaolin and some important structures have escaped his 

 attention. 



Total length 15.0 mm. Cucullus 0.55 mm. long, 2.5 mm. wide. 

 The reverse shows that the cucullus was bent downward as in recent 

 Ricinulei, thus having two surfaces standing at right angles to each 

 other. Cephalothorax 5.0 mm. long, 5.25 mm. wide in the middle, 

 only 3.6 mm. wide at posterior edge, which is straight. The ab- 

 domen is oval, covered with one shield whith a longitudinal median 

 ridge. In the specimen the left side of the abdomen is longitudinally 

 folded, the fold being artificial, but the ridge is quite distinct. A heav}^ 

 fold separates the abdomen from the cephalothorax. The whole 



