TABLE OF CONTENTS. 
GILMORE, CHARLES W. A _ new fossil turtle, Kinosternon 
arizonense, from Arizona. No. 2451, pp. 1-8. February 6, 
Oye ee eee ne a Meee gta et at a ahi Snot PL Yar ee ENS Yao Ie 
New species: Kinosternon arizonense. 
Howe, Marsuartt A. Two new Lithothamnieae, calcareous 
algae, from the Lower Miocene of Trinidad, British West 
Indies. No. 2453, pp. 1-3. December 22, 1922'._._____- 
New species: Lithothamnium pennyi, Lithophyllum trinitense. 
Ketitoce, Remincton. Description of two squalodonts 
recently discovered in the Calvert Cliffs, Maryland; and 
notes on the shark-toothed cetaceans. No. 2462, pp. 1-69. 
DNs RBA 7 EA Es aoc ke a ta ne Oe eee 
New species: Squalodon typicus, S. calvertensis. 
LaripLaw, Frank Fortescue. The dragonflies (Odonata) of 
Burma and Lower Siam, III. Subfamily Aeschninae. No. 
2467; pps i-29. | dune clo 2s ee ae 
MERRILL, GEORGE P. A meteoric metabolite from Dungan- 
non, Virginia. No. 2464, pp. 1-2. March 19, 19231_____- 
Morrison, Haro_p, and Emity Morrison. The scale insects 
of the subfamilies Monophlebinae and Margarodinae treated 
by Maskell. No. 2463, pp. 1-47. June 9, 1923!__._____- 
New genera: Nodulicoccus, Auloicerya, Platycoelostoma. 
New species: Monophlebulus comperei, M. subterraneus, Auloicerya 
acacvae. 
SHANNON, Eart V. Mineralogic notes on pucherite, pyrite, 
trichalcite, and wavellite. No. 2455, pp. 1-10. January 5, 
DS ac Na lege ge ee 2 ee eae a PT 
Notes on the mineralogy of three gouge clays from 
precious metal veins. No. 2461, pp. 1-11. November 24, 
Doo LS ue pity AC retin cn aN end 
On siderite and associated minerals from the Colum- 
bia River basalt at Spokane, Washington. No. 2458, pp. 
1-19. March 29, 1923? BE Is a Se ae ae ga 
STEJNEGER, LEONHARD. Rehabilitation of a hitherto over- 
looked species of musk turtle of the Southern States. No. 
2452, Ppr4—o-, -Mebruary’ 10; 19252 ge FSS Pe es 2 
We tsu, W. W. Seven new species of fish of the order Mala- 
copterygil. No. 2449, pp. 1-11. February 10,1923! - 
New species: Diplophos moorei, Aristostomias tittmanni, Eustomias 
proximus, E. bigelowi, E. enbarbatus, Dactylostomias digitatus, Tricho- 
stomias metallicus. 
1 Date of publication. 
VII 
Article. 
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