Browsing by Journal Issue "scas/vol75/iss1"
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A New Species of Cylopoid Copepod, Parasitic on Shiner Surfperch, Cymatogaster aggregata Gibbons, in Anaheim Bay and Huntington Harbor, California, with Notes on Bomolochus cuneatus Fraser and Ergasilus lizae Kroyer
Three species of parasitic cyclopoid copepods are reported from the Shiner Surfperch, Cymatogaster aggregata Gibbons, collected from Anaheim Bay and Huntington Harbor, California. One of the copepods, Holobomoloclhus ... -
A New Species of Dioplosyllis (Polychaeta: Syllidae) From California
A new species of Dioplosyllis is described. Three specimens were collected swarming at a night light. A table is presented to separate the four known species. -
An Analysis of the Fluid Contents in the Postanal Sac of the Gray Whale, Eschrichtius robustus
A distinctive, thick walled, postanal sac is found midventrally on the caudal peduncle of most gray whales. The structure appears to be unique to this cetacean and is a relatively unknown organ, with no known function. ... -
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Investigations on the Postanal Sac of the Grey Whale Eschrichtius robustus
An unusual thick-walled, sac-like structure occurs embedded in the blubber of the midventral ridge of the tail posterior to the anus, and appears to be unique to the gray whale. Data on six postanal sacs are reported. ... -
Some Nephtyidae (Polychaeta) From Ubatuba, Brazil
Four species of nephtyid polychaetes are reported from Ubatuba, Brasil. The description of Aglaophamus juvenalis (Kinberg, 1866) is amplified and illustrations of median parapodia are given for all four species. -
Spathipora mazatlanica, a New Species of Burrowing Bryozoa (Ctenostomata) From Mazatlan, Sinaloa, Mexico
A new species of burrowing Bryozoa (Ctenostomata) from Mexico, Spathipora mazatlanica, is described and illustrated. The polypide anatomy of the genus Spathipora is determined for the first time. -
The Coordinated Role of the Cerebral and Visceral Ganglia in Ciliary Beating
Lateral ciliary activity was studied on isolated gill preparations of the mussell Mytilus edulis. Electrical stimulation of the branchial nerve at 5 Hz (increased) and 50 Hz (decreased) changed the average rate of ciliary ... -
The Cranial Osteology of Amphistichus argenteus (Pisces: Embiotocidae)
The cranial and branchial skeleton of Amphistichus argenteus, a member of the embiotocid subfamily Amphistichinae, is described here for the first time and compared to that of Damalichthys vacca, a member of the second ... -
Two New Species of Helminthoglypta (Mollusca: Pulmonata) From San Diego County, California
Two new species of land snails of the genus Helminthoglypta are described from San Diego County, California. -
Variation in the South American Colubrid Snake Tantilla semicincta (Dumeril, Bibron, and Dumeril), with Comments on Pattern Dimorphism
Variation and distribution of Tanrilla semicincta are discussed. This species exhibits pattern dimorphism. One phase has a banded dorsal pattern and the other a striped dorsal pattern. Variation in scutellation is described. ...