324 Dr. ».<c the Rev. S. Graham Braac-Biiks on 



Both animals have an acute caiuhil prociss and smooth pro. 

 zonites. In I. fallu.v the K^gs of the first pair, in tlic male, 

 are sickle-shaped. 



*1 ? (or /. liguUfer), Cave Dale, It. S , in a recent year 

 («/.), G. 3159; both sexes, Bakewell district, ourselves, 1918. 



Genus Tachypodoiulus. 



5. T.aUnpps(C. L. Koch). 



Syu. ? I. niger, Leach. 



/. trayisversosulcatus^ Am Stein. 



S 22-30, ? 2.5-35 mm. 



This large black julid is easily distlngui.shahle under the 

 microscope by the presence of transverse striai on the pro- 

 zonites, to which Am Stein's name for the species owes its 

 orijj:in. This animal is^common in our islands. 



* ? , Kings Steriidale, near Buxton, 7i. S., 18/viii./13 {/.), 

 G. 315-1; *(J, ? ? , in a collection from Dove and Mill 

 Dales, R. S., 21/iv./14 (./.) ; 1 cJ , near the R. Dove, our- 

 selves, ix./16; Buxton & Bukewell districts, ourselves, 1918. 



Genus Cylindroiulus, Verhoeff. 

 (1894 as a subgenus, 1899 as a genu.s). 



Prof. Silvestri informs us, in litt., tliat he considers that 

 Cylindrohihis and Dijdoiulus, Berlese, 1886 (2) are synony- 

 mous, the latter having precedence. This conclusion, how- 

 ever, does not meet with the a|)i)roval of all continental 

 authorities. 



6. C. silvarum (Meinert). 



Syn. ? I. ptindatus, Leach. 



15-25 mm. 



An animal commonly found between the bark and trunk of 

 rotting logs. The caudal piocess is club-sliapcd. 



'"' ? , in a collection from Dove and Mill Dales, R. S., 

 21/iv./14 («/.) ; 1 ? , near the R. Dove, ourselves, ix./16 ; 

 both sexes, Bakewell district, ourselves, 1918 ; seveial, 

 including T J, Manners Wood, near Bakewell, W. B. d& 

 -S'. G. B.-B., 6/vi./18. 



7. C. Iritanm'cus (Verhoeff, 1891). 



Syn. I.frisio'ides, 'S'erhoeff, 1892. 



7. luscus, Meiueit, a.s used by Bagnall and by ? Jackson. On 

 this point see liajriiall's note (1) and our own (3). 



1(3-18 mm. 



