Discovery reports (1934) Discovery reports discoveryreports09inst Year: 1934 NEMERTEANS 251 tudinally and transversely to a greater or less extent at different parts of the body. The colour that remains is usually stronger dorsally than ventrally (Fig. 23 A). These may have a long slit-like mouth and firm unprotruded lips or the mouth may be a small slit with pursed lips (Figs. 23 B, D, E). (ii) Elongated uncontracted forms of very pale uniform colour, much thinner than type (i). The mouth is very large and the lips are thin, protruded and distorted (Fig. 23 F). (iii) Small specimens coiled
Discovery reports (1934) Discovery reports discoveryreports09inst Year: 1934 NEMERTEANS 251 tudinally and transversely to a greater or less extent at different parts of the body. The colour that remains is usually stronger dorsally than ventrally (Fig. 23 A). These may have a long slit-like mouth and firm unprotruded lips or the mouth may be a small slit with pursed lips (Figs. 23 B, D, E). (ii) Elongated uncontracted forms of very pale uniform colour, much thinner than type (i). The mouth is very large and the lips are thin, protruded and distorted (Fig. 23 F). (iii) Small specimens coiled spirally with small mouths and pursed lips. The colour is dark and often the same dorsally and ventrally (Fig. 23C).
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