DIPTERA. 667 
Cheilosia nlhiseta, Rondani, 1. c. p. 13C, and C. fuscicornis, Rond. p. 137, 
from North Italy. 
Chrysogaster virgo, Rondani, 1. c. p. 138, from North Italy. 
Varagm vcnosus, Walker, Proc. Linn. Soc. viii. p. 112; P, luctife7'us and 
P. mcisuralis, Walk. p. 113, from New Guinea. 
Pat'agus lavendulce and P. taccliettii, Rondani, 1. c. p. 140, from Italy. 
Pipiza. Loew (Berl. ent. Zeitschr. 1865) describes P. fimioralis, p. 162, 
Illinois; P. ibid., Pennsylvania ; P. nigrihmba, p. 163, New York; P. 
fraudulenta, ibid., Illinois ; and P. calcm'ata, p. 154, New York. 
Pipizella scidpeonataj Rondani, 1. c. p. 139, from Italy. 
Sphegina latifrons, Egger, Verb, zool.-bot. Ges. in Wien, xv. p. 294, from 
Austria. 
Baclia. Philippi, 1. c. describes the following new Chilian species : — P. me- 
lanorrhitta^JlavicormSf and luguhris (p. 749), conopida and valdiviana (p. 760). 
Ocyptaynus ? valdivimius, Philippi, 1. c. p, 748, pi, 27. fig. 43, from Chili. 
Mcsngramma. Loew (/. c.) describes M, parvtda, p. 167, aiid M. planiven- 
trisy p. 168, from Florida: M. suhnnmdata, p. 167, M. laciniom, p. 169, M. 
poecilogastra, ibid., and M. arcifera, p. 160, from Cuba. 
Pleroptila decora, Loew, 1. c. p. 166, from Cuba ; and P. zonata, Loew, 
ibid., from Mexico. 
Plialacromyia rufoscutellai'is and concolor, Philippi, 1. c. p. 735, from Chili. 
P1ialacro7nya suhcoerulea, Rondani, Canestr. Archivio, vol. iii. p. 3, from 
South America. 
Conopida. 
Cotiops segethi, sp. n. (Phil.), Rondani, Canestr. Archivio, iii. p. 13, Chili. 
— C. vaginalis, sp, n., Rondani, Atti. Soc. Ital. Sc. Nat. viii. p. 146, Italy, 
Sphixosoma ptmctitarsis, sp. n., Rondani, 1. c. p. 143, from Italy. 
Zodio7i erythru7'U77i, Rondani, 1. c. p. 146, from Tuscany ; and Z. sardeum, 
Rond, ibid., from Sardinia. 
Sicics fe7no7'alis, Rondani, 1. c. p. 146, from North Italy. 
Hippoboscid^. 
Melophagns ovinus. The general mode of life of this species, and the treat- 
ment of the sheep affected bj^ it, are described by Simonds, Journ. Agric. Soc. 
ser. 2. vol, i. pp. 43-56. 
Jlippohosca albo7ioiaia, sp. n., Rondani, Canestr. Archivio, vol. iii. p. 92, 
from Cafiraria. 
Apiianiptera. 
Karsten lias published (Bull. Soc. Nat. Mosc. xxxvii. pt. 2. 
pp. 72-156) an elaborate memoir on the Chigoe or Sand-flea of 
Tropical America, for which he adopts the generic name of 
Rhynchoprion proposed for the insect by Oken in 1815 under 
the notion of its being a species of Acarid. After giving a long 
series of extracts from the works of authors wlio have mentioned 
the Chigoe, the author proceeds to describe the natural history 
of the animal (of which he considers that we only know a single 
