. The Australian zoologist. Zoology; Zoology; Zoology. 348 A NEW LORICATES FROM NORTH QUEENSLAND Some differences have -been noted in the minor armament, but as these are somewhat vari- able in the same radular ribbon no certain distinctions can be drawn at present. The writer is indebted to Mr. A. F. Basset Hull for a helpful criticism of the note on the radula. Fig. 14c. Half a radular row of Onit h ella helenae, x 225. Fig. 14d. Half a radular row of Onithella ashbyi Bed. & Matt., x Explanation of Plate xviii. Onithella helenae. Onithella helenae. Onithella helenae. Onithella hele
. The Australian zoologist. Zoology; Zoology; Zoology. 348 A NEW LORICATES FROM NORTH QUEENSLAND Some differences have -been noted in the minor armament, but as these are somewhat vari- able in the same radular ribbon no certain distinctions can be drawn at present. The writer is indebted to Mr. A. F. Basset Hull for a helpful criticism of the note on the radula. Fig. 14c. Half a radular row of Onit h ella helenae, x 225. Fig. 14d. Half a radular row of Onithella ashbyi Bed. & Matt., x Explanation of Plate xviii. Onithella helenae. Onithella helenae. Onithella helenae. Onithella helenae. Onithella helenae. Onithella helenae. Onithella helenae. Onithella helenae. Onithella helenae. Onithella helenae. Fig. 1. Onithella helenae. Whole shell x 9 (type). Head valve from above x 13 (paratype). Head valve from side x 13 (paratype). Head valve interior x 13 (paratype). Median valve (5) from above x 13 (paratype). Median valve (5) interior x 13 (paratype). Tail valve from above x 13 (paratype). Tail valve from side x 13 (paratype). Tail valve interior x 13 (paratype). Girdle scales x 480 (approx.) (paratype). Onithochiton quercinus Gould. Girdle spines x 77 (approx.). a, b, c. Onithochiton quercinus Gould. Girdle spines x 480 (approx.). ,, 13a. Onithochiton quercinus Gould. Second lateral tooth of radula de- tached and laid flat. „ 13b. Onithella helenae Gould. Second lateral tooth of radula detached and laid flat. „ 13c. Lucilina fortilirata Reeve. Second lateral tooth of radula detached and laid flat. (In Figs. 13a, b., and c. the midline is towards the left.) The writer is indebted to Miss Joyce K. Allan, of the Australian Museum, for a beautiful drawing of the type. (Figs. 2-13 by author.) (Figs. 11 and 12 drawn from juvenile of 13 mm. length.) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 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 ma
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1914
