. Animals of the seashore. Marine animals -- Atlantic Coast. 58 ANIMALS OF THE SEASHORE Blackfortia manhattensis Mayer Distinguished from the above chiefly by the ab- sence of the dark pigment granules adjacent to the lithocysts. Originally described from off Sandy Hook, New Jersey, where it was said to be common during October. Aequorea groenlandica Peron and Lesuer (Zygodactyla groenlandica P. & L.). Fig. 3 Aequorea groenlandica Peron and Lesuer This is the largest American hydromedusa and may reach a foot in diameter although its more normal size is about 6 inches. Very many radial cana
. Animals of the seashore. Marine animals -- Atlantic Coast. 58 ANIMALS OF THE SEASHORE Blackfortia manhattensis Mayer Distinguished from the above chiefly by the ab- sence of the dark pigment granules adjacent to the lithocysts. Originally described from off Sandy Hook, New Jersey, where it was said to be common during October. Aequorea groenlandica Peron and Lesuer (Zygodactyla groenlandica P. & L.). Fig. 3 Aequorea groenlandica Peron and Lesuer This is the largest American hydromedusa and may reach a foot in diameter although its more normal size is about 6 inches. Very many radial canals. A northern species usually found north of Cape Cod; occasionally found in New Jersey waters especially after storms. Siphonophores Free-floating communities made up of different types of individuals, each performing different func- tions in the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Richards, Horace Gardiner, 1906-. Boston, B. Humphries, inc
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