Un'/ted S/j/es of Ainerica 199 



chemical studies of marine organisms; graduate and 



undergraduate instruction. 

 SEASON OF operation: All year. 

 PHYSICAL ENVIRONMENT ACCESSIBLE: Menai Strait, 



Caernarvon Bay, St. George's Channel, Conway Bay, 



Irish Sea ; sandy and silty beaches, rocky and gravelly 



shores, estuarine conditions, and brackish, shallow 



bays. 

 PROVISIONS FOR VISITING SCIENTISTS: Research space 



for visitors is available by special arrangement only; 



fees charged; living quarters available nearby. 



MAJOR RESEARCH AND TEACHING FACILITIES: Running 



sea and fresh-water, small aquarium tanks; type speci- 

 men collection of local animals and algae ; fauna and 

 flora lists with card index available for reference ; shop 

 facilities available elsewhere in the college ; vessels, 40 

 ft LOA trawler, 20 ft LOA cabin cruiser, raft for ex- 

 periments in sea, dinghy and outboard motor. 



INSTRUCTIONAL PROGRAM: Subsidiary course in ocea- 

 nography; vacation courses (10-14 days) in marine 

 biology. 



SIZE OF STAFF: Six at professional level. 



IMPORTANT SPECIES AVAILABLE FOR LABORATORY 

 STUDIES: 



Echinodermata: Psamiitechiui/s iwlidr'n 



Crustacea: Cdicinus maeuas, Eliuiiiitn luodeslus, 



Biilaiius sp., Pdaeiiionetes sp. 

 Mollusca: Littorhia littorea, L. obtusata, L. .uixdl/l/s, 



Spisiila sol'ida, Mjlilus edulis 

 Polychaeta: Arenicola marina, Pomatoceros triqiieler 

 Algae: Phaeodactyliim Iricornutiini 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Biology of cirripedes and other sessile organisms (D. J. 



Crisp) 

 Fouling in British ports (D. J. Crisp and A. P. 



Austin) 

 Biology of Enteropneusta (C. Burdon-Jones) 

 Hatching factor of cirripedes (D. J. Crisp and C. P. 



Spencer) 

 Growth of Phaeodactylum (C. P. Spencer) 

 Effect of exposure on algae (W. E. Jones) 

 Effect of toxic substances on enzymes (A. O. Christie) 



FEDERATED UNIVERSITY OF WALES, MARINE BIOLOOY STATION 



UNITED STATES 

 OF AMERICA 



The Academy of Natural Sciences of Philadel- 

 phia, Department of Limnology 



POSTAL address: Nineteenth and the Parkway, Phil- 

 adelphia 3, Pennsylvania, USA. 



EXECUTIVE officer: Dr. Ruth Patrick, Curator of 

 Limnology. 



SPONSORING agency: Department of Academy of 

 Natural Science, a privately endowed institution. 



year FOUNDED: 1947. 



SCOPE OF ACTIVITIES: Unrestricted research on syste- 

 matics and ecology of plankton and bottom living 

 plants and animals found in fresh-water and estuaries; 

 chemical and bacteriological analyses of waters and 

 sediments in rivers and estuaries. 



SEASON OF operation: All year. 



PHYSICAL environment ACCESSIBLE: Fresh-water, 

 estuarine and marine. 



PROVISIONS for visiting SCIENTISTS: Space for 3-6 visi- 

 tors; living quarters available nearby. 



MAJOR RESEARCH AND TEACHING FACILITIES: Very ex- 

 tensive library; running sea, brackish and fresh-water; 

 small aquarium tanks; research and identified reference 

 collections of fish, moUusks, crustaceans and lower in- 

 vertebrates, fresh-water aquatic insects, diatoms and 

 algae, both fresh-water and marine (these collections 

 have both local and world-wide representation) ; ma- 

 chine and wood shop; small boats and outboard 

 motors. 



INSTRUCTIONAL PROGRAM : Direction of graduate thesis 

 work in limnology and systematics of diatoms. 



SIZE OF staff: Fourteen at professional level; 9 tech- 

 nicians. 



IMPORTANT SPECIES AVAILABLE FOR LABORATORY 

 STUDIES: 



Pisces: Lepom/s macrochiriis 



Diatoms: Nitzschid linearis, Navicnla seniinuUim var. 



hi/stedti 

 Blue-green algae: Various species of Oiciilatoria 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Diatoms of continental United States (book in prepara- 

 tion) (Ruth Patrick, Charles Reimer) 



Systematic study on the Tendipedidae (Selwyn S. 

 Roback ) 



The fauna and flora of the Peruvian headwaters of the 

 Amazon Basin (John Cairns, S. S. Roback, Frederich 

 Aldrich, Ruth Patrick) 



The establishment of the fauna and flora in a new 

 stream (Ruth Patrick, J. Cairns, S. S. Roback, C 

 Reimer) 



