A thematic sequel to In Search of the Unknown. The reader is confronted with even more lost species, including mammoths in the Canadian glaciers, a group of "cave-ladies" in the Everglades, a gigantic worm burrowing beneath the fields of upstate New York, a school of minnows the size of Pullman cars, etc.
In Search of the Unknown (1904) and Police!!! (1915):
"The Lost Species sequence – [these two collections of linked stories] – features the adventures of a philandering zoologist in his search for unknown beasts ..."
--SFE3: Encyclopedia of Fantasy (1997), biog. entry by Mike Ashley
In addition to its stand-alone volume, this title was published in the follow books. It can be rated independently of any volumes containing it.