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This is Terror Tales for July 1935, cover by John Howitt. The ISFDB entry for this isssue is here. I found this version of the cover (I think — Google links it but I didn’t find it on the page) at Pinterest.
This is Terror Tales for June 1935, cover by John Howitt. The ISFDB entry for this issue is here. I found this version of the cover at Cover Browser.
This is Terror Tales for May 1935, cover by John Howitt. The ISFDB entry for this issue is here, and that is the source for this cover image.
This is Terror Tales for April 1935, cover by John Howitt. The ISFDB entry for this issue is here. If found this version of the cover at this Pinterest gallery by Eric Ondinasaurus.
This is Terror Tales for March 1935, cover by John Howitt. The ISFDB entry for this issue is here, and also the source of this image.
This is Terror Tales for February 1935, cover by Rudolph W. Zirn. The ISFDB entry for this issue is here. I found this version of the cover at The Telltale Mind.
This is Terror Tales for January 1935, cover by John Howitt. The ISFDB entry for this issue is here. I found this version of the cover at Pulp Covers.
This is Terror Tales for December 1934, cover by John Howitt. The ISFDB entry for this issue is here. I found this version of the cover at Pulp Covers, which also provided a smaller version of the image with brighter colors.
This is Terror Tales, October 1934. The cover was done by John Howitt. The ISFDB entry for the issue is here. I found this particular version of the image at Mazmorra Maldita.
This is Terror Tales for September 1934, with a cover by Rudolph W. Zirn. The ISFDB page for the issue is here. I found this particular version of the image at Mazmorra Maldita.