over all railroads and are good for the summer season. 
The round-trip rate from Ann Arbor to Pellston is $7.80. 
REGISTRATION. 
Since the number of students that can be accommo- 
dated is limited, immediate registration 1s necessary to 
insure admission and no registration will be accepted if 
recewed after June first. Applications for admission 
should be addressed to Professor T. EF. Rankin, Secretary 
of the Summer Session, Ann Arbor, Mich., and should 
indicate the courses that the student intends to pursue, 
his preparation for them, and whether he will bring his 
own camp equipment or use that provided by the Station. 
STAFF OF INSTRUCTION. 
Jacop REeIGHARD, PH.B., Professor of Zoology and Direc- 
tor of the Zoological Laboratory and the Zoolog- 
ical Museum in -the University of Michigan, Di- 
rector of the Biological Station and Professor of 
Zoology. 
FRANK SmrtH, A.M., Associate Professor of Zodlogy 
im the University of Illinois, Assistant Professor 
of Zoology. 
Henry ALLAN GiLEAson, PH.D., Assistant Professor of 
Botany in the University of Michgan, Assistant 
Professor of Botany. 
AARON FRANKLIN SHULL, PH.D., Instructor in Zodlogy 
in the Umversity of Michigan, Research Assistant 
in Zoology. 
RotanpD McMiLwan Harper, PH.D., Research Assistant 
in Botany. 
Frep AARON Loew, B.S., Professor of Science in Central 
College (Indiana), Assistant in Botany. 
ARTHUR GrBson VeESTAL, A.B., Instructor in Biology, 
University of Colorado, Assistant in Botany. 
Joun Situ Dexter, A.M., Professor of Biology, 
Northland College, Ashland, Wisconsin, Assistant 
in Orintholocy. 
Pau, SmirH WetcH, A.B., Fellow in Zoélo gy, Umver- 
sity of Illinots, Assistant in Entomology. 
Frances J. Dunpar, B.S., Assistant in Zodlogy, Univer- 
sity of Michigan, Assistant in Zodlogy. 
ANNA MINER Ruoapses, Dean of Women. 
