Discovery reports (1962) Discovery reports discoveryreports31inst Year: 1962 Bb Text-fig. 43. The development of the body muscles, gill filaments and brain of (a, a', a') Maurolicus muelleri; (Bb, Bbb) Cyclothone braueri, and (b, Bm, Bbm) C. microdon. In A and B, which are transverse sections through the body just in front of the caudal peduncle, the muscle fibres are shown in black and are drawn to scale. The drawings of the gill filaments are from the lower part of the first gill arch, fb, forebrain; mb, midbrain; cb, cerebellum, (a, b, x 15; a', Bm, Bb, X20; a', Bbb, Bbm, x 9.)
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