64 1402 [No information] 1403 [No information] 1404 [No information] 1405 [No information] 1406 [No information] S 1407 Transverse section of pearl S 1408 Tongue of Conops S 1409 Hydra viridis; its tentacles with captor organs S 1410 Hydra fusca; its tentacles with captor organs; July, 1852 S 1411 Eggs of Plumatella; West Point, New York; 1852 S 1412 Stomach of Macropoma; from Dr. Mantell S P 1413 Shell from guano; (Jl) S P 1414 Spicules, Tonga S P 1415 Calcareous particles in crust of Gorgonia; Cape of Good Hope, Africa S P 1416 Palate of a Lymneus; Burlington, New Jersey S P 1417 [Unintelligible] plate of Sclerodactyla binareus [?] S P 1418 Sponge spiculæ S P 1419 Sponge spiculæ; Mediterranean Sea S P 1420 Volvox globator; Manchester, England S 1421 Texidicula; Brighton, [Sussex, England ?]