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Schlichting, Jr., H.E. 1975. “The biomonitor.” 9: 33-35.
Schlichting, Jr., H.E. 1975. “Some subaerial algae from Ireland.” 10: 257-261.
Sauer, J.D. 1981. “Weeds of the California Channel Islands, USA: unplanned experiments with introduced ungulates in systems lacking native herbivores” 13: 207.
Scalet, Charles G. 1971. “Parasites of the orangebelly darter, Etheostoma radiosum (Pisces: Percidae).” 57 (4): 900.
Scalet, Charles G. 1972. “Food habits of the orangebelly darter, Etheostoma radiosum cyanorum (Osteichthyes:Percidae).” 87: 515-522.
Scalet, Charles G. 1973. “Stream movements and population density of the orangebelly darter, Etheostoma radiosum cyanorum (Osteichthyes: Percidae).” 21 (4): 493- 501.
Scalet, Charles G. 1974. “Lack of piscine predation on the orangebelly darter, Etheostoma radiosum cyanorum.” 92 (2): 510-512.
Saksena, Vishnu P. ;Yamamoto, Kiichiro ;Riggs, Carl D. 1961. “Early development of the channel catfish.” 23 (4): 156-161.
Rubega, M. A. ;Elphick, C. S. 1995. “Prey choices and foraging efficiency of recently fledged California Gulls at Mono Lake, California” 55 (4): 363-367.
Rubega, M. A. ;Obst, B. S. 1993. “Surface-tension feeding in phalaropes: discovery of a novel feeding mechanism” 110: 169-178.
Ruffer, David Gray 1965. “Burrows and burrowing behavior of Onychomys leucogaster.” 46 (2): 241-247.
Ruffer, David Gray 1965. “Juvenile molt in Onychomys leucogaster.” 46 (2): 338-339.
Ruffer, David Gray 1965. “Sexual behavior of the northern grasshopper mouse Onychomys leucogaster.” 12 (4): 447-452.
Ruffer, David Gray 1967. “Grooming in the northern grasshopper mouse.” 12 (2): 196-197.
Ruffer, David Gray 1968. “Agonistic behavior of the northern grasshopper mouse (Onychomyc leucogaster brevciauritus).” 49 (3): 481-487.
Russell, Norman H. 1965. “Violets (Viola) of central and eastern United States: an introductory survey.” 2: 1-113.
Rytuba, J. J. (ed.) 1993. “Active geothermal systems and gold-mercury deposits in the Sonoma-Clear Lake volcanic fields, California.” 16: 141-152.
Safford, H. and S. Harrison 2001 (in press)lk. “Ungrazed roadside verges in a grazed landscape: interactive effects of grazing, invasion and substrate on grassland diversity.”
Saksena, V.P. 1975. “Effects of temperature and light on aerial breathing of the shortnose gar, Lepisosteus platostomus.” 75 (4): 178-181.