Hemiptera. 106 



20066 MacDougall, R. Stewart. 57.52 Aspidiotus : 16.5 



1908. The Oyster-Shell Bark Scale. Journ. Board Agrlc. IjOiuIoh Vol. 

 14 p. 014-616. 



67 Parrott, P. J., H. E. Hodgkiss, and 



W. J. Schoene. 57.52 Aspidiotus : 16.5 



1908. Dipping of Nursery Stock in the Limesulphur Wash. Bull. No. 

 302 N. Y. agric. Exper. Stat. Geneva p. 175—202. 



68 Sherman, Franklin. 57.52 Aspidiotus : 16.5 



1908. The San Jose Scale. A Brief Popular Account of a Notorious In- 

 sect Pest, with a Statement of its Present Recorded Status in North Caro- 

 lina. .Journ. Elisha Mitchell scient. Soc. Vol. 24 p. 52—59. [Aspidiotus 

 perniciosus.] 



69 Surface, H. A. 57.52 Aspidiotus : 16.5 



1908. Results of Spraying Experiments during the Spring of 1907 for 

 San Jose Scale. Zool. Bull. Pennsylvania Dept. Agric. Vol. 5 p. 332 

 -336. 



70 Surface, H. A. 57.52 Aspidiotus : 16.5 



1908. Status of San Jose Scale in Pennsylvania. Zool. Bull. Pennsyl- 

 vania Dept. Agric. Vol. 5 p. 270 — 273. — Habits of, and Remedies for, San 

 Jose Scale, p. 287—294. 



71 Surface, H. A. 57.52 Aspidiotus : "16.5 



1908. The San Jose Scale, Again. Zool. Bull, Pennsylvania Dept. Agric. 

 Vol. 6 p. 239—260. 



72 Silvestri, F., e G. Martelli. 67.52 Ceroplastes : 16.5 



1908. La cocciniglia del Fico. (Ceroplastes rusci L.) Boll. Lab. Zool. 

 gen. agrar. Portici Vol. 2 p. 297—358, 37 figg. 

 20073 Oestlund, 0. W. 67.52 Chaitophorus (77.6) 



1908. Cliaitopiiorus testudinatus in America. Entoni. News Vol. 19 p. 131 

 -132. 



74 Borner, Carl. 57.52 Cheruies 



1908. Ueber das System der Chermiden, Zu Cholodkovskys Auffassung 

 der Chermidensystematik. Zool. Anz. Bd. 33 p. 169 — 173. 



75 Cholodkovsky, N. 57.62 Chermes : 15 



1908. Zur Frage'iiber die biologischen Arten. Biol. Centralbl. Bd. 28 

 p. 769-782. 



76 Marchal, Paul. 57.52 Chermes : 15 



1908. Contribution a I'etude biologique des Chermes. (Cinquieme note.) 

 Les ailes non gallicoles du Chermes pint. C. R. Soc. Biol. Paris T. 65 

 p. 229-230. 



77 Molz, Emil. 67.52 Chermes : 15 



1908. Einige Bemerkungen iiber die durch Chermes piceae var. bouvieri 

 auf Abies nobilis hervorgerufenen Triebspitzengallen. Nat. Zeitschr. 

 Land- Forstwirtsch. Jahrg. 6 p. 151—154, 4 tigg. 



78 Niisslin, 0. 57.52 Chermes : 15 



1908. Zur Biologie der Gattung Chermes. Biol. Centralbl. Bd. 28 p. 333 

 —343, 710—72.5, 735—753, 8 figg. [Phylogenie des pentamorphen Nor- 

 malcyclus. Fichte als urspriinglicher Wirt anzusehen. (gegen Bornkr's 

 Umkehrung der Wirtskorrelation).] 



79 Niisslin, [0.] 57.52 Chermes : 15 



1908. Zur Biologie der Chermes piceae Ratz. Verh. deutsch. zool. Ges. 

 18. Vers. p. 205-224, 4 figg. 



80 Sasscer, E. R. 57.52 Chionaspis 



1908. The Salt-Marsh Grass Scale. (CJiionaspis spartinae Comst.) Proc. 

 entom. Soc. VV^ashington Vol. 9 p. 141—142. 



20081 Pettit, R. H. 57.52 Coccidae 



1901. The Scale-Insects or Coccidae. 2d Rep. Michigan Acad. Sc. p. 78 

 -83. 



15. I. 1909. 



