. Introduction to zoology; a guide to the study of animals, for the use of secondary schools;. FIG. 195.—Hydractinia, a tubularian hydroid. a, colony growing on gastro-pod shell inhabited by a hermit-crab ; b, bit of colony enlarged ; dz, modified,tactile, individuals; s, reproductive individuals; sp, spines. From Parkerand Haswell. campanula, a little bell. os, a spit. 210 ZOOLOGY under the microscope each stem appears as a series ofhydranths placed in zigzag1 fashion, one beyond the other.

---

Size: 2141px × 1167px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1900