CONTENTS. 
PAGE. 
ARLE OO} COTM ccs ccsuakanneeoenceenesne cS omeualnen oasenate ot PED ED iii 
List or Members. Revised to December 31, 1905..........e.00+ Vv 
1. PATRONS. 
2. Honorary MEMBERS. 
3. ACTIVE MEMBERs. 
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Beconp, January £.to Ded. G1, L905 ici nckssicecpacowa ded suvsing sed XxVii 
PaPERS PUBLISHED. January 1 to December 31, 1905: 
1. L. Witrmack. — Our Present Knowledge of Ancient 
Plants. — Issued February 25, 1905.....,....ccsceeseeeees 1 
2. Tuos. L. Casry. — A Revision of the American Paviler: 
TOE sy SOUR ADEE Ss RO oii own sc esha s whe cbaen sevens 17 
3. Frank Coiiins Baxer.—The Molluscan Fauna of 
McGregor, Iowa. — Issued May 9, 1908 .........-...... 249 
4, StuaRT WELLER. — Paraphorhynchus A New Genus of 
Kinderhook Brachiopoda. — Plate I.—Issued May 
2, 1906......: Gua nnge gdstaaudibhuexe tabaelactycassadalesvcaiaulnd 259 
5. Water C. G. Kircuner. — The Bacteriological Exami- 
nation of River Water. — Fig 1. — Issued August 5, 
LEO G oon cncnasopsianee wh shu thb sun bun Dacasenuoes peksp Coke guak tons 265 
6. TirLe-Pace, prefatory matter and index of Vol. XV.— 
Record, January 1 to December 31, 1905. — Issued 
March 1, 1906. 
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CORMBRAY, TOR Ciscoe 5 uilink i vase qnenaedianancekh wh cleus eoiks vod coaesnees 300 
EODEK TO GRR BRA eg ccceesi cs secess! aceens Ss Wawenninsa davis <yasehes coma) «ebeh 302 
