ILLUSTRATIONS 



PLATES 



Revision of the Chalcid Flies of the Tribe Decatomini 

 (Eurytomidae) in America North of Mexico 



By W. V. Balduf 



Facing page 



1-2. Wings of various species of Decatoma 94 



3-4. Parts of various species of Decatoma 94 



A New Shipworm from Venezuela 



By Paul Bartsch 



1. A new shipworm from Venezuela [Teredo (Neoteredo) healdi] 1 



A New Pearl Oyster from the Hawaiian Islands 



By Paul Bartsch 



1. Interior of species of Pinctada 2 



2. Exterior of species of Pinctada 2 



Descriptions of New Marine Mollusks from Panama, with 

 a Figure of the Genotype of Engina 



By Paul Bartsch 

 1. Panama marine mollusks 10 



Revision of the Species of Beetles of the Genus Trirhabda 

 North of Mexico 



By Doris Holmes Blake 



1. Species of Trirhabda 36 



2. Species of Trirhabda, Derospidea, Coraia, and Monocesta 36 



Excavations at a Prehistoric Indian Village Site in Missis- 

 sippi 



By Henry B. Collins, jr. 



1 . Vessels from the DeasonviUe site 22 



2. Potsherds showing cord-marked exteriors 22 



3. Potsherds with bold designs in red and white pigment 22 



4. Potsherds with incised lines at rims 22 



5. Potsherds showing incised decoration over body of vessel 22 



6. Potsherds with punctate ornamentation 22 



7. Examples of handles and lugs on pottery 22 



8. Awls and scrapers made of antler and bone 22 



9. Knives, scrapers, and projectile points of stone 22 



10. a-e, Hammerstones; /, stone celt or ax 22 



11. a, Pottery pipe; b, pottery object, probably for smoothing pottery; 



c-e, rounded potsherds for smoothing pottery; /, stone disk, prob- 

 ably for smoothing pottery; g, piece of fire-burned wall clay; h-m, 



charred corncobs _ 22 



X 



