162 Rey. A. E. Haton’s Monograph 
Tas. V.—contin, 
Fig. 7. Ephemerelle ignite, ¢ im. genitalia infra. 
7a. 33 .. >, ala postica. 
8. a anvarie, » pes forcipis. 
8a. A A ss penis infra. 
9. Betisce obese, » genitalia infra. 
10. Cloeonis dipteri, » pes forcipis. 
Nk » similis, 3, pes forcipis. 
12. » russult, »» pes forcipis. 
[13-26, pedes forcipium; 13a-26a, alee postice :] — 
13, 13a. Centroptili luteoli, am: 
14, 14a. an pennulati, 4, 
15, 15a. i stenopterygis, g im. 
16, 16a. Baetis binoculati, g im. 
Ife Ura »  scambi, a 
18, 18a. »  jfunitimi, 
19, 19a. » atrebatini, ,, 
20, 20a. »  hodam,  ,, 
21, 21a. 3. pheopis, ep 
22, 22a. »  tenacis, 55 
23, 23a. >  bucerati, * 
24, 24a, » «amnict, 5 
25, 25a. » pumil, a 
26, 26a. 9 «6 nigr4, ‘5 
27. » pict, 5 
28. » Sp. nondescript. de California, ala postica. (Pro ala 
antica vide Tab. III. fig. 1.) 
29. » Sp. nondescript. ex Australia, ala postica. 
*30. Siphluri flavidi, g im. apex abdominis supra. 
TAB. Wil. 
Fig. 1. Siphluwri armati, g im. pes forcipis infra. 
la. 3 . >,  latus penis infra. 
2. lacustris, 3 pes forcipis infra. 
3. 33 Linneani, ,, pes forcipis infra. 
3a. is A »» note ventrales abdominis. 
4. # annulati, ,, note ventrales abdominis. 
4a. 3 ip » pes forcipis infra. 
5. Isonychie mance, »» pes forcipis infra. 
5a. 5p a ? 5, processus ventralis penult. seg- 
ment. 
