TABLE OF CONTENTS VII 



Article 



Hrdlicka, Ales. Catalogue of human crania in the United 

 States National Museum collections. Australians, Tas- 

 manians, South African Bushmen, Hottentots, and Negro. 

 No. 2696, pp. 1-140. March 5, 1928 ^ 24 



Kirk, Edwin. Pycnodesma, a new molluscan genus from the 



Silurian of Alaska. No. 2692, pp. 1-9. August 4, 1927 L_ 20 



New genus: Pycnodesma. 



New species: Pycnodesma giganteum, P. benjamini. _ 



Mansfield, Wendell C. Some peculiar fossil forms from 



Maryland. No. 2688, pp. 1-9. July 13, 1927 ' 16 



New genus: Xenohelix. 



New species: Xenohelix marylandica. 



Marshall, William B. A new genus and two new species of 

 South American fresh-water mussels. No. 2678, pp. 1-4. 

 April 9, 1927^ 6 



New genus: Mycetopodella. 



New species: Anodontiies guanarensis, Mycetopoda piitieri. 



Merrill, George P. A recently found iron meteorite from 



Oakley, Idaho. No. 2693, pp. 1-3. September 12, 1927 L_ 21 

 Morrison, Harold and Emily. The Maskell species of scale 

 insects of the subfamily Asterolecaniinae. No. 2689, pp. 



1-42. August 29, 1927 ^ 17 



New species: Amorphococcus leptospermi, Asterolecanium acaciae, 

 A. transversum, Cerococcus froggatti. 



Price, Emmett W. A new nematode, Nematodirus antilo- 

 caprae from the prong-horn antelope, wth a key to the 

 species of Nematodirus. No. 2694, pp. 1-4, July 7, 1927 ^- 22 

 New species: Nematodirus antilocaprae. 

 Schmidt, Peter. A revision of the Cottoid fishes of the genus 



Artediellus. No. 2685, pp. 1-10. July 12, 1927 ' .__- 13 



New subspecies: Artediellus scaber beringianus. 

 Schwartz, Benjamin. A new parasitic nematode from an 



unknown species of bat. No. 2677, pp. 1-4. April 6, 1927 ^ 5 



New species: Anoplostrongylus delicatus. 



Shannon, Earl V. {See Cross, Whitman) J 18 



Vaughan, T. Wayland. Larger foraminifera of the genus 

 Lepidocyclina related to Lepidocyclina mantelli. No. 2680, 



pp. 1-5. May 23, 1927 ' 8 



New species: Lepidocyclina {Lepidocyclina) forresti. 



WiLLEY, Arthur. Description of a new species of fresh-water 

 copepod of the genus Moraria from Canada. No. 2673, 

 pp. 1-12. April 6, 1927^ 1 



> Date of publication. 



