| + − | Cath. World. 84: 577. F. ’07. 5900w. | |
| Current Literature. 42: 211. F. ’07. 1790w. |
“Whether the reader can accept the author’s conclusions or not, he will at least be forced to admit, after reading ‘Mars and its canals,’ that the book is an exceedingly able and interesting exposition of the subject.” Herbert A. Howe.
| + | Dial. 42: 76. F. 1, ’07. 1170w. |
“In every way the work is a worthy presentation from a recognized Martian leader. Mr. Lowell’s observations have every claim to acceptance. The theories propounded are by no means so clear.”
| + − | Ind. 61: 1567. D. 27, ’06. 290w. | |
| Lond. Times. 6: 108. Ap. 5, ’07. 1510w. |
“The most adverse critic cannot but admire the tireless industry with which the planet has been scanned night after night, every noteworthy appearance regarded, and the mass of facts thus acquired moulded into a consistent whole.”
| + + − | Nation. 84: 317. Ap. 4, ’07. 710w. |
“Written in a very clear style, free from scientific technicalities, and illustrated by maps and diagrams, so that the non-expert layman can understand it.”
| + + | Outlook. 85: 142. Ja. 19, ’07. 320w. | |
| + | R. of Rs. 35: 508. Ap. ’07. 120w. |
“While this book is published as a popular exposition of the most recent investigations, it presents practically all that is known, or thus far suspected, presumably, concerning this planet and its inhabitants.” Herman S. Davis.