. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. Fig. 1.—ff, a fragment of the skeleton of Hindia Jihrosa, Roem., sp., showing in places the junction of the spicular rajs; drawn from a longitudinal section of a specimen from New Brunswick. 4, the fourth or truncated ray of the spicides. h, c, two isolated siliceous spicules, viewed laterally, d, another spicule seen from below, showing the central node and the expanded ends of the rays, e, another spicule seen from above, showing the end of the fourth ray. Drawn und


. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. Fig. 1.—ff, a fragment of the skeleton of Hindia Jihrosa, Roem., sp., showing in places the junction of the spicular rajs; drawn from a longitudinal section of a specimen from New Brunswick. 4, the fourth or truncated ray of the spicides. h, c, two isolated siliceous spicules, viewed laterally, d, another spicule seen from below, showing the central node and the expanded ends of the rays, e, another spicule seen from above, showing the end of the fourth ray. Drawn under the camera lucida to the scale of 70 diameters. Fig. 2.— Portion of a tangential section of Hindia Jihrosa, showing the apertures of the radial canals. The individual spicules cannot be distinguished. Drawn to the same scale as fig. 1. matrix, I am enabled to give further particulars respecting their form than could be obtained from studying them in the microscopic sections. In all the detached examples, which might be deemed complete, four arms or rays are present,. 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 London, Taylor and Francis, Ltd


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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology