464 Mr. T. D. A. Cockerell on Fossil Arthropods 
I, 9597 (Brodie collection). A species of this genus 
(A. bolsiusi, Meunier) occurs in Baltic amber, 
Rymosia edwardsi, sp.n. (Fig. 20.) 
Thorax dark brown; wing 5°l1 mm, long, beautifully 
iridescent, with dark fuscous markings as shown in the 
figure. The marking is as in the species of Leia, but the 
venation is that of Rymosia. 
Rymosia edwardsi, sp. n. 
I. 9336 (Brodie collection). Named after Mr. F. W. 
Edwards, to whom I am greatly indebted for advice 
concerning the Mycetophilide. 
Rymosia grisea, sp. n. (Fig. 21.) 
Wing 2:4 mm. long, pale grey (not at all reddish), with 
dusky veins; no spots. 
Fig. 21. 
Rymosia grisea, sp. 0, 
I. 8865 (Brodie collection). asily distinguished from 
the other Gurnet Bay species by the venation, as shown 
in the figure. 
