214 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



SCHAEFERj MiLNEE B. — Continued 



Katsuwonus pelamis, Parathunnus sibi, 

 Thunnus thxmnina, Euthynnus lineatus, 

 Auxis thMzard: general review of work on 

 age and growth, morphometries and racial 

 studies, size composition, spawning. 



1952. Comparison of yellowfin tuna of Hawaiian 

 waters and of the American west coast. Fish. 

 Bull., U. S. 52(72) :353-373. [P] 



Neothunnus macropterus : morphometries, 

 meristic coimts, relative growth, definition 

 of populations. 



SCHAEFER, MILNEK B., and J. C. MARK. 



1948a. Juvenile Euthynnus lineatus and Auxis 

 thazard from the Pacific Ocean off Central 

 America. Pacif. Sci. 2(4) :262-271. [P] 



Anatomy, meristic counts, description, fig- 

 ures, and records of capture of juveniles. 



1948b. Spawning of yellowfin tuna (Neothunnus 

 macropterus) and skipjack {Katsuwonus pela- 

 •mis) in the Pacific Ocean off Central America, 

 with descriptions of juveniles. Fish. Bull. U. S. 

 Fish Wildl. 51(44) : 187-195. [P] 



Neothunnus macropterus: size composi- 

 tion in commercial catch ; sexual maturity, 

 spawning. Katsuwonus pelamis: sexual 

 maturity, spawning; records of capture, 

 descriptions and figpures of N. macropterus 

 and Katsuwonus pelam,is juveniles. 



SCHAEFEK, MILNER B., and L. A. WALFORD. 



1950. Biometric comparison between yellowfin 

 tunas (Neothunnus) of Angola and of the 

 Pacific coast of Central America. Fish. Bull., 

 U. S. 51(56) : 425-443. [P] 



Neothunnus albacora, N. macropterus: 

 morphometries, meristic counts, definition 

 of populations; taxonomy. 



SCHAEFERS, EDWARD A. 



1952. North Pacific albacore tuna exploration, 



1951. Comm. Fish. Rev. 14 (5): 1-12. [P] 

 Thunnus germo: results of exploratory 

 trolling, longlining, gillnetting; fishing 

 conditions in relation to water tempera- 

 ture and season; stomach contents noted; 

 gear described ;tagging. 



1953. North Pacific albacore tuna exploration, 



1952. Comm. Fish. Rev. 15(9) : 1-6. [P] 

 Thunnus germo: results of exploratory 

 trolling and gillnetting; fishing conditions 

 in relation to water temperature; descrip- 

 tion of gear; notes on size composition, 

 stomach contents, tagging. 



SCHMIDT, p. 



1930. A check-list of the fishes of the Riu-Kiu 

 Islands. J. Pan-Pacif. Res. Instn. 5(4) :3. [P] 

 Euthynnus aUetteratus: listed. 



SCHMITT, WALDO L., and L. P. SCHULTZ. 



1940. List of fishes taken on the Presidential 

 Cruise of 1938. Smithson. misc. Coll. 98(25) :3. 

 Euthynnus aUetteratus, E. lineatus: listed 

 and compared. 



SCHUCK, H. A. 



1951- Northern record for the little tuna, Euthyn- 

 nus aUetteratus. Copeia 1951 (1):98. [P] 

 Distributional note, eastern Atlantic Ocean. 



SCHUCK, H. A., and J. F. MATHER, in. 



1951. A blackfin tuna (Parathunnus atlanticus) 

 from North Carolina waters. Copeia 1951 

 (3):248. [P] 



Distributional note. 

 SCHULTz, Leonard p. 



1949. A further contribution to the ichthyology 

 of Venezuela. Proe. U. S. nat. Mus. 99:1-211. 

 [P] 



Thunnus thynnus: listed; synonymy, Eng- 

 lish and Venezuelan common names. 



SCHULTZ, Leonard p. and A. C. De Lacy. 



1936. A catalogTie of the fishes of Washington 

 £ind Oregon with distributional records and a 

 bibliography. Mid-Pacif. Mag. 49(1) :70-71. 

 [P] 



Germo alalunga, Thunnus thynnus: syn- 

 onymy, distribution. 



SCHWEIGGER, ERWIN. 



1943. Pesqueria y oceanografia del Peril y propo- 



siciones para su desarrollo futuro. Lima, Perti, 



Compaflla Administradora del Guano. 356 p. 



Bonito (Sarda chilensis) : distribution; 



Neothunnus macropterus: description and 



distribution. 



1949. El attin frente a la costa peruana. Bol. 

 Comp. Admin. Guano 25(8) :27 p. [P] 



Thunnus macropterus: length frequency; 

 length-weight relationship; distribution In 

 Peruvian waters in relation to season, 

 water temperature, currents; growth; 

 food, sex ratios. 

 Scordia, C. 



1930-1939. Per la biologia del tonno. Mem. Biol, 

 mar. I, 1, 3; H, 1, 2; in, 1, 2, 3; IV, 2, 4, 5; 

 V, 4, 5, 6, 7, 8; VI, 3. 



Thunnus thynnus, Mediterranean Sea. 



1939a. La biologia del tonno secondo Le Danois. 

 Mem. Biol. mar. 6(4) :l-4. 



Thunnus thynnus, Mediterranean Sea. 



1939b. Notizie sulle migrazioni dei tonni del basso 

 Adriatico. Mem. Biol. mar. 6(1) :l-7. 

 Thunnus thynnus: migrations. 



1940. Le migrazioni dei tonni tirreno-jonici e 

 I'entrata di essi in tonnara. Atti Conv. biol. 

 mar. 2. 



Thunnus thynnus: migrations, Tyrrhenian 

 and Ionian seas; trap fishery. 



