245 
Monographia Hemipterorum. 
6 2 4 . Aphis gallarum . 
Claude Joseph Geoffroy. 
Observations sur les vessies qui viennent aux Ormes. 
Mem. de TAcad. des Sc. de Paris, 1724. p. 320. — 323. 
Wilhelm Friederich Freyberr von Gleichen genannt 
Russworm. 
Versiich einer geschichte der Blatlause und Blatlausfresser 
des Ulmenbaums. 
Pagg. 28, tabb. aeneae color. 4. Niirnberg, 1770. 4. 
6 2 5 . Coccorum genus. 
Adolph Modeer. 
Om Fastflyet, Coccus. Gotheb. Wet. Samh. Handl. We- 
tensk. Afdeln. 1 Styck. p. 11—50. 
6 2 6. Chermes et Cocci varii. 
Martin List er. 
Observations concerning certain Insect-husks of the 
Kermes kiiid. 
Philosoph. Transact. Vol. 6. n. 71. p. 2165, 2166. 
73. p. 2196, 2197. 
7. n. 87. p. 5059, 5060. 
Christopborus Jacohus Trew. 
De Insectorum quodam genere. 
Commere, literar. Norimb. 1734. p. 361 — 363. 
J. S. Kerner. 
Naturgeschichte der Coccus Bromelia oder des Ananas- 
schildes. 
Pagg. 56. tab. aenea i. Stuttgart, 1778. 8. 
Karl VON Sandberg. 
Naturgeschichte der Schildlause des Rosenstrauches. 
Abhandl. einer Privatgesellsch. in Bohmen, 6 Band, p. 
317 — 320. 
An DE RSON. 
Five letters to Sir Jos. Banks, Bart. on the subject of Co- 
chineal Insects, discovered at Madras. 
Pagg. 13. tabb. aeneae 2, ligno incisa i. 
A sixth letter to Sir jos. Banks. Pagg. 4. 
A seventh, eighth, and ninth letter. Pagg. 5. 
A tenth letter. Pagg. 5. 
An eleventh letter. Pagg- 6. 
A twelfth letter. Pagg. 2. 
