. Bulletin of the British Museum (Natural History) Zoology. Fig. 10 Genital system. Edouardia tumida, Mombassa Island, Kenya. Scale line 2 mm. Fig. 12 Genital system. Rhachistia rhodotaenia, Nairobi-Mombassa Road, Kenya. Scale line 2 Fig. 11 Genital system. Edouardia natalensis, Pietermaritzberg, South Africa. Scale line 2 mm. the base as a prominent papilla (eg. Fig. 20D). Throughout the group there is considerable variation in the extent of papillar development within species. However, this would appear to be related in large part to the degree of relaxation of the preserved specimen an
. Bulletin of the British Museum (Natural History) Zoology. Fig. 10 Genital system. Edouardia tumida, Mombassa Island, Kenya. Scale line 2 mm. Fig. 12 Genital system. Rhachistia rhodotaenia, Nairobi-Mombassa Road, Kenya. Scale line 2 Fig. 11 Genital system. Edouardia natalensis, Pietermaritzberg, South Africa. Scale line 2 mm. the base as a prominent papilla (eg. Fig. 20D). Throughout the group there is considerable variation in the extent of papillar development within species. However, this would appear to be related in large part to the degree of relaxation of the preserved specimen and thus of limited taxonomic value. Both the appendicular and penial retractor muscles Fig. 13 Genital system. Rhachidina histrio, Mare, Loyalty Islands. Scale line 2 mm. (Character 8) originate on the lower lung wall (diaphragm). In most genera (eg. Amimopina, Fig. 9; Rachis, Fig. 21A) they are joined from their origin over a considerable part of their length, whilst in others they are entirely separate (eg. Achatinelloides, Fig. 21B). In most enines, including Ena, the muscles are separate but in some they are joined. This. 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 Farn, Alexander E. London : Butterworths
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