1863.] 
25 
Heterocerus mollinus^ Lucanm lentm, Ghoerklium cajjistratmn, Aphod- 
ius ohlongus^ A. terminalis^ A. vittatus^ Eiiparia abdita^ E. gracilis, 
Geotrupes opaciis, DiclielonijcJia suhvittata, Euryomia melmicholica, 
Agrilus arcuatus^ A. pliimheus^ A. fallax^ A. interruptiiSj A. defectua^ 
A. politus^ Bracliys seruginosus^ B. pinpurea^ B.lsevigata^ Tliro&ciis 
p)unctatus^ Eucnemis amoenicornis^ Adelocera impressicollis^ Elatev are- 
olafus, E. hepaticus, E. sanguinipeMnis, Ludius attenuatus, Dolopius 
limosus, Adrastus recticoUis, Melanotus incertus^ Limonius hasillaris, 
Oxygoiius ohe'sus, AsapJies deco/oratus, Zenoa picea^ Eucinetus morio^ 
Telephorus angidatiis^ T. Jiavipes^ T. imbecillis^ T. scituhts, Eolemius 
laticornis, Ditempus bidentatus^ Maltliinus occupitalis^ Attains scienctusi 
Thaneroclerus sanguineus^ Clerus nigripes, Hijdnoceropallipennis^ Cu- 
pes cinerea, Ptinus latro, Amphicerus bicaudatus^ Hylesinus aeuleatus^ 
Bruchus erytlirocerus^ Spermopliagus robinise^ Brachytarsus limbatus^ 
B. brevis^ Apion Bayi, Epicserus falla.x^ Magdalinus armicolUs, M. 
barbitus, Magdarus undidatus^ Mononychus vidpecidus Copturus ocula- 
tus^ G. operculatus^ Gonotracliehis anaglypticus, Analcis foveolatus, A. 
sei-eus., Splienophorus pulchellus^ S. nubilus, S. cariosus, SilopMlus re- 
motepunctatus, S. oryze^ Antlionomus 4:-gibbus^ Smodicum cucujiformc^ 
Liopus angulatus^ L. facetus^ L. cinereus^ Ecyrus exiguus^ Goes debi- 
lis, Psenocerus supjernotatus, Oberea amabdtis, 0. persprlcillata^ Paeliy- 
ta bivittata^ Saperda, cretata), in exchange from Benj. I). Walsh, of 
Rock Island, Illinois. 
DONATIONS TO LIBRARY. 
Proceedings of the Academy of Natural Sciences of Philadelpdiia^ 
Nos. 10—12 for 1863, and Silliman’s xhnerican Journal of Science 
and Arts.^for January and March 1863. Presented by Dr. Thos. B. 
Wilson. ’ 
Essay on, some of the insects of Massacltusetts ivhich are benefcial 
to vegetation. By F. G. ^anborn. From the Author. 
Proceedings of the Entomological Society of Philadelphia., for Jan¬ 
uary and February 1863. From the Publication Committee. 
The following works were deposited by Dr. T. B. Wilson:—• 
Annales de la Societe Entomologique de France, 3 serie, Tome 8, 
4 serie, Tome 1 and Tome 2, Trim. 1—3. 8vo. 
