The Journal of microscopy and natural science . Fig. 7. Section of developing tooth of dog. x 1000. a, Stratum inter-medium. B, Outer ameloblastic membrane, c, Ameloblasts showingsmall masses of calcoglobulin. D, Inner ameloblastic , Fig. 8. Human enamel. x 1,000. a, b, Bands of passing through bands without break of continuity. c, Enamel [ m) ]p^c^aciou^^ c^ iparaeitic lEncmiee of Bpbi^c6 (incluMno a Stu&\? of ir^i^pev^parasitcs). By H. C. a. Vine. Part IV. (concluded) and Part V. Plates XIII. (July Part) and XVII. \T 7HEN completing the drawings for the last pa
The Journal of microscopy and natural science . Fig. 7. Section of developing tooth of dog. x 1000. a, Stratum inter-medium. B, Outer ameloblastic membrane, c, Ameloblasts showingsmall masses of calcoglobulin. D, Inner ameloblastic , Fig. 8. Human enamel. x 1,000. a, b, Bands of passing through bands without break of continuity. c, Enamel [ m) ]p^c^aciou^^ c^ iparaeitic lEncmiee of Bpbi^c6 (incluMno a Stu&\? of ir^i^pev^parasitcs). By H. C. a. Vine. Part IV. (concluded) and Part V. Plates XIII. (July Part) and XVII. \T 7HEN completing the drawings for the last part of theV V section on Heteroptcra, some observations led me tothink it probable, and indeed almost certain, that anothergroup of this sub-order includes aphis-eating species, and I inclu-ded, therefore, in PL XIII., a drawing of the only Europeanspecies, the Podisus liiridns of Fabricius. This insect is oneof the family, Pentatomidce, and in common with other species ofthat group, in the larval form, has four joints only in the antenna,while the perfect insect possesses five joints in these organs. The majority of the species of this family are inhabitants ofthe United States, where the favourable surroundings have causeda development of
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