A SELECTED BIBLIOGRAPHY OF THE COCCOIDEA 63 



Douglas, J. W. — Continued. 



1887b notes on some British coccidae (no. 8). Ent. Monthly Mag. 24: 

 95-101; 165-171. (The last 3 pages (169-171), which include a 

 description of Orthezia insignis n. sp., are dated January 1888.) 

 Lecanium beaumontiae, L. longulum, Orthezia insignis, n. spp.; de- 

 scription and discussion of 5 other lecanine coccids. 



1888 NOTES ON SOME BRITISH AND EXOTIC COCCIDAE (NO. 9). Ent. Monthly 



Mag. 25: 57-60. 

 Lecanium clypeatum n. sp. ; description and discussion of L. lauri and 

 L. bituberculatum. 



1888a notes on some British and exotic coccidae (no. 10). Ent. Monthly 

 Mag. 25: 86-89, illus. 

 Ortonia natalensis, Pseudococcus ulicis, n. spp. 



1888b NOTES ON SOME BRITISH AND EXOTIC COCCIDAE (NO. 11). Ent. Monthly 



Mag. 25: 124-125, illus. 

 Pseudococcus ulmi n. sp. 



1888c NOTES ON SOME BRITISH AND EXOTIC COCCIDAE (NO. 12). Ent. Monthly 



Mag. 25: 150-153. 

 Coccus agavium n. sp.; Vinsonia stellifera discussed. 



1889 notes on some British and exotic coccidae (no. 13). Ent. Monthly 



Mag. 25: 232-235, illus. 

 leery a purchasi and Ortonia natalensis discussed. 



1889a [notes on lecanium viride and other species of lecanium.] Ent. 

 Monthly Mag. 25: 250-251. 



1889b notes on some British and exotic coccidae (no. 14). Ent. Monthly 

 Mag. 25: 314-317, illus. 

 Dactylopius theobromae n. sp.; D. adonidum redescribed and discussed. 



1890 notes on some British and exotic coccidae (no. 15). Ent. Monthly 



Mag. 26: 79-81, illus. 

 Crossotosoma aegyptiacum n. gen. and sp. 



1890a notes on some British and exotic coccidae (no. 16). Ent. Monthly 

 Mag. 26: 153-155, illus. 

 Pseudococcus quercus n. sp.; Cryptococcus n. gen. for Coccus fagi; 

 Pseudococcus aceris discussed. 



1890b notes on some British and exotic coccidae (no. 17). Ent. Monthly 

 Mag. 26: 238-240, illus. 

 Pulvinaria ribesiae discussed. 



1890c notes on some British and exotic coccidae (no. 18). Ent. Monthly 

 Mag. 26: 318-319, illus. 

 Lecanium robiniarum n. sp.; L. fuscum discussed. 



1891 notes on some British and exotic coccidae (no. 19). Ent. Monthly 



Mag. 27: 65-68, illus. 

 Lecanium sarothamni, L. ciliatum, n. spp. 



1891a notes on some British ane exotic coccidae (no. 20). Ent. Monthly 

 Mag. 27: 95-100, illus. 

 Lecanium distinguendum n. sp.; L. nigrum and Pulvinaria betulae 

 discussed. 



1891b NOTES ON SOME BRITISH AND EXOTIC COCCIDAE (NO. 21). Ent. Monthly 



Mag. 27 : 244-247. 

 Orthezia occidentalis, O. praelonga n. spp. described; Lecanium lauri 

 compared with L. hesperidum. 



1891c lecanium oleae, bernh. Ent. Monthly Mag. 27: 307-308. 

 Considers that L. testudo = L. oleae. 



1892 NOTES ON SOME BRITISH AND EXOTIC COCCIDAE (NO. 22). Ent. Monthly 



Mag. 28: 105-107, illus. 

 Lecanium rubi redescribed and discussed. 



