LIS T OF ILL US TRA TIONS. IX 



Description of a New Fossil Sea Cow from Florida, Metaxytherium 

 Floridanum. 



By Oliver P. Hay. 



Facing page. 



1. Metaxytherium floridanum, new species 4 



Notes on Cynipid Wasps, with Descriptions of New North American 



Species. 



By Lewis H. Weld. 



1. Ibalia maculipennis Haldeman. Female, male, larvae, pupae 2 



Notes on American Gallflies of the Family Cynipidae Producing Galls 

 on Acorns, with Descriptions of New Species. 



By Lewis H. Weld. 



1-5. Gallflies of the family Cynipidae 30 



New Termites from Hawaii, Central and South America, and the 



Antilles. 



Thomas E. Snyder. 



1. New species of Kalotermes and Armitermes 32 



2. A new Cryptotermes with front of pronotum serrate in soldier caste 32 



3. Two new striking species of Constrktotermes with perconstricted heads 32 



4. Wing venation of Kalotermitidae 32 



5. Wing venation of Kalotermitidae and Termitidae 32 



Studies on the Cyclostomatous Bryozoa. 



By Ferdinand Canu and Ray S. Bassler. 



1-28. Fossil and recent Cyclostomatous Bryozoa 154 



Descriptions of Miscellaneous New Reared Parasitic Hymenoptera. 



By A. B. Gahan. 



1. New reared parasitic hymenoptera 24 



TEXT FIGURES. 



Page. 

 A revision of the Chalcid-flies of the Encyrtid genus Chrysoplaty- 



cerus. 



By P. H. Timberlake. 



1. Antenna of female of Chrysoplatycerus ferrisi Timberlake 6 



2. Antenna of male Chrysoplatycerous hrrisi Timberlake 9 



Studies on Chalcid-flies of the subf^smily Leucospidinae, with descrip- 

 tions of I-7ew Species. 



By Clara Jamieson Weld. 



1. Diagrams of pronotum of Leucospis. a, cayennensis, without any carina; 



b, affinis, with one carina; c guzeratensis, with two carinae 5 



2. Diagrams of scutellum, metanotum, and propodeum of Leucospis, viewed 



from above and in profile, a and 6, L. metallica; c and d, L. robertsoni; e 



and /, gigas; g and h, affinis 6 



20107— 22— Proc.N.M.vol.61 ii 



