MyriapoJa from Derhysliire. 325 



An interesting: tailless julid. The only known Enf^lisli 

 millipede with wiiicii this is likely to be confused is G.frisius, 

 Verhoeff, from wiiich it is distinguished by the form of the 

 gonopods of the male. Upon dissection, we found that one 

 male taken by us at Great Longstone, 1918, belongs to this 

 species. This specimen in spirit was 12*5 mm. long. A 

 female taken by one of us {S. G. B.-B.) at Burbage Hall, 

 27/v./18, is probaldy referable to this species. 



Genus SC'UIZ01'IIYr.LU^[. 



8. 6'. sahulosum (Linne). 



20-46 mm. 



This is a large and handsome jidid, luarked with two 

 bright yellow dorsal stripes running the whole length of tlie 

 bod\'. • 



■^2 ? ? , The Winnats, Castleton, /?. .S'., in a recent year 

 (./.), G. 3id4 ; numerous, Dove Dale, R. S., /. W.J., C. R. B., 

 25/V./16 ; 1 c? junior, near the R. Dove, ourselves, ix./lG ; 

 adults, Bakowell district, ourselves, 1918. 



Family Protoiulidae. 



(Genus Blaniulus (s. 1.), Gervais, 183G.) 

 Genus Trichoblaniulus, VerhoefF. 



Syu. Yerlioeff uses the subgeneric name Typhloblaniidus {ii), which 

 is used as generic by Ribaut (9). 



9. T. f/uttulatiis (Bosc). 

 Syn. ? lulus pulchellus, Leach (nee 0. L. Koch). 



9-18 mm. 



A common blind blaniulid, which is sometimes a pest in 

 potato crops. It is a worm-like form. 



Both sexes, Bakewell district, ourselves, 1918. 



Genus Amsteinia, VerboefF. 

 10. A.fuscus (Am Stein). 



9-16 mm. 



Males of this species are rare ; the present record is, how- 

 ever, admissible, as the eyes prove a useful diagnostic cha- 

 racter. The ocelli are arranged much the greater number in 

 a long single row, the remainder in a small elongated triangle 

 with its base against the central part of the row. The aninnxl 



