| 10913 | Occurrence of a Virus in Erythrocytes of the Eel, Anguilla | | | | | | |
| 10649 | Occurrence of the Ciliate Urceolaria (Peritrichida, Mobilina) on the Sea Urchin Strongylocentrotus droebachiensis | | | | | | |
| 11236 | Oil Toxicity in a Euryhaline Teleost: Impaired Osmoregulation in Killfish, Fundulus heteroclitus | | | | | | |
| 12882 | Omega-3 Fatty Acids Influence the Rate of Adult Neurogenesis in the Lobster, Homarus americanus | | | | | | |
| 10448 | On porosity of gill filters and filtration rate in Mussels (Mytilus edulis) | | | | | | |
| 12356 | On the Attachment Fibers of Little Skate (Raja erinacea) Egg Capsules | | | | | | |
| 10756 | On the coupling between metabolism and anaerobic sodium transport in the red blood cells of the Dogfish Shark (Squalus acanthias) | | | | | | |
| 10281 | On the Dearth of Crago boreas at Salsbury Cove During 1934 | | | | | | |
| 10237 | On the Early Development of the Mouse Egg | | | | | | |
| 10525 | On the Function of the Rectal Gland in the Spiny dogfish (Squalus acanthias) | | | | | | |
| 12302 | On the Hydrodynamic Shape of Little Skate (Raja erinacea) Egg Capsules | | | | | | |
| 10254 | On the Mechanism of Water and Salt Excretion in the Dog-Fish, Squalus acanthias | | | | | | |
| 10770 | On the origin of trimethylamine oxide (TMAO) in the Spiny Dogfish, Squalus acanthias | | | | | | |
| 10350 | On the Relation of Day-Length to the Period of Refractoriness to Photoperiodic Sexual Stimulation in the Male Starling | | | | | | |
| 12420 | On the Role of Egg Jelly in Raja Erinacea Egg Capsule | | | | | | |
| 11686 | On the Spectral Properties of Raja erinacea Egg Capsules | | | | | | |
| 12982 | Open Reading Frame of Glycogen Phosphorylase in the Rectal Gland of Squalus acanthias | | | | | | |
| 11250 | Open-circuit Na+ and Cl- fluxes across isolated opercular epithelia from seawateradapted Fundulus heteroclitus and the influence of adrenergic stimulators | | | | | | |
| 11514 | Opening of the Blood-Brain Barrier with Osmotic Stress in the Little Skate, Raja erinacea | | | | | | |
| 12503 | Opposite Effects of Mercury on Cl- Currents in Acutely and Subchronically Mercury-Treated Shark Rectal Gland Cells | | | | | | |
| 11715 | Optocal Measurements of Intracellular Ca-Transports In Voltage Clamped Myocardial Cells | | | | | | |
| 11734 | Organ Culture of Isolated Squalus acanthias Rectal Gland Tubules | | | | | | |
| 10931 | Organ Culture of Kidney Tubules of Flounder (Pseudopleuronectes americanus) | | | | | | |
| 11193 | Organic acid transport: Utility of in vitro kinetic measurements to predict effectiveness of inhibitors in vivo | | | | | | |
| 11989 | Organic and Inorganic Mercurial Inhibition of Taurine Transport by the Coelomocytes of the Marine Polychaete, Glycera dibranchiata | | | | | | |