@book{bhlitem17098, title = {Observations on the embryology of insects and arachnids }, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/17098}, note = {https://www.biodiversitylibrary.org/bibliography/1889}, publisher = {Baltimore, Publication agency of John Hopkins University, 1887}, author = {Bruce, Adam Todd,}, year = {1887}, pages = {90}, keywords = {Arachnida|Embryology|Insects}, }